{"product_id":"blackstar-polar-4-audio-interface","title":"Blackstar POLAR 4 Four-Channel USB Audio Interface","description":"\u003ch2\u003eQuick Product Summary\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlackstar POLAR 4 Four-Channel USB Audio Interface\u003c\/strong\u003e is a recording interface designed specifically with guitarists and musicians in mind, combining four high-headroom FET input channels with studio-quality microphone preamps, flexible monitoring and Blackstar's distinctive analogue \u003cstrong\u003eEnhance\u003c\/strong\u003e technology.\u003c\/p\u003e\n\u003cp\u003eEach of its four input channels can accommodate microphone, line or instrument sources, making the POLAR 4 equally useful for recording electric guitar, bass, vocals, acoustic instruments, keyboards and other studio equipment. With \u003cstrong\u003e24-bit\/192kHz audio\u003c\/strong\u003e, four line outputs, two independent headphone outputs, MIDI In\/Out and loopback functionality, it is equipped for considerably more than a basic guitar recording setup.\u003c\/p\u003e\n\u003cp\u003eBlackstar's Enhance circuitry is the standout feature. On instrument signals it is designed to recreate some of the response and behaviour associated with plugging into the input stage of a guitar amplifier, providing guitar plugins with a strong, responsive DI signal before the software amp model even begins processing it.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/WIiy_L8kP1Y?si=X6CwpHcr3QGH4u15\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eAt A Glance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlackstar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePOLAR 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFour-channel USB audio interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMic Preamps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstrument Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnhance Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24-bit \/ 192kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeadphone Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMIDI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMIDI In \u0026amp; Out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoopback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Appeal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGuitar-focused FET inputs with flexible four-channel recording\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGuitarists, home studios, producers and multi-instrument recording\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's Included?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBlackstar POLAR 4 Audio Interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUSB-A to USB-C cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUSB-A to DC power cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuick Start Guide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafety Information Sheet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDownloadable software is available through Blackstar registration, including the POLAR Control application and bundled studio software.\u003c\/p\u003e\n\u003ch2\u003eFair Deal Quality Control Assessment\u003c\/h2\u003e\n\u003cp\u003eAs a new audio interface, the \u003cstrong\u003eBlackstar POLAR 4\u003c\/strong\u003e is checked as part of Fair Deal Music's normal quality-control process before dispatch.\u003c\/p\u003e\n\u003cp\u003eThe physical controls, input and output connections, headphone sections, USB connectivity and general operation are checked so the interface is ready to become the centre of your recording setup.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose The Blackstar POLAR 4?\u003c\/h2\u003e\n\u003ch3\u003eFour Inputs For More Ambitious Recording\u003c\/h3\u003e\n\u003cp\u003eFour microphone, line and instrument-capable input channels give the POLAR 4 enough flexibility for sessions that go beyond recording one guitar and one vocal. Capture multiple microphones, instruments, stereo keyboards or several musicians simultaneously without immediately needing a larger rack-mounted interface.\u003c\/p\u003e\n\u003ch3\u003eFET Instrument Inputs Designed For Guitar\u003c\/h3\u003e\n\u003cp\u003eBlackstar uses high-headroom FET input stages specifically to provide electric guitar and bass with a strong foundation for software amp modelling. They are designed to accommodate dynamic playing and hot instrument signals while maintaining low noise and useful headroom.\u003c\/p\u003e\n\u003ch3\u003eAnalogue Enhance Circuit On Every Input\u003c\/h3\u003e\n\u003cp\u003eEach channel has an \u003cstrong\u003eEnhance\u003c\/strong\u003e function. With an instrument connected, Enhance introduces analogue circuitry designed to give the DI signal a more amp-like response before it reaches your plugin. On microphone and line sources, Enhance instead adds subtle clarity and presence.\u003c\/p\u003e\n\u003ch3\u003eTwo Independent Headphone Outputs\u003c\/h3\u003e\n\u003cp\u003eTwo high-output headphone amplifiers make collaborative recording much easier. The performer and engineer can monitor through separate headphones, with independent level control rather than sharing one headphone socket.\u003c\/p\u003e\n\u003ch3\u003eMIDI Built In\u003c\/h3\u003e\n\u003cp\u003eMIDI In and Out allows keyboards, drum machines, controllers and other compatible MIDI hardware to integrate directly with your recording system without requiring a separate MIDI interface.\u003c\/p\u003e\n\u003ch2\u003eComparison Against Popular Alternatives\u003c\/h2\u003e\n\u003ch3\u003eBlackstar POLAR 4 vs Blackstar POLAR 2\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ePOLAR 2\u003c\/strong\u003e shares the same guitar-focused design philosophy but provides two microphone preamps, two instrument\/line inputs, two line outputs and one headphone output. The POLAR 4 doubles the main recording channels, adds four line outputs, a second headphone connection and MIDI In\/Out. Choose the POLAR 2 for a compact solo recording setup; choose the POLAR 4 when you need room for larger sessions and more flexible monitoring.\u003c\/p\u003e\n\u003ch3\u003eBlackstar POLAR 4 vs Focusrite Scarlett 4i4 4th Gen\u003c\/h3\u003e\n\u003cp\u003eThe Scarlett 4i4 combines two microphone preamps with additional line connectivity and offers features including Auto Gain, Clip Safe and Focusrite's Air mode. The Blackstar provides \u003cstrong\u003efour microphone preamps and four instrument-capable channels\u003c\/strong\u003e, making it particularly attractive when several microphones or guitars need to be captured simultaneously. The POLAR's Enhance circuitry also gives it a distinctive guitar-focused approach.\u003c\/p\u003e\n\u003ch3\u003eBlackstar POLAR 4 vs SSL 12\u003c\/h3\u003e\n\u003cp\u003eThe SSL 12 moves further into expandable studio territory, offering additional digital ADAT connectivity and a more extensive I\/O architecture. It is well suited to studios expecting to expand significantly. The POLAR 4 is a more focused desktop solution for guitarists and musicians who want four analogue recording channels without moving into a larger studio system.\u003c\/p\u003e\n\u003ch2\u003eWho Is The Blackstar POLAR 4 For?\u003c\/h2\u003e\n\u003cp\u003eThe POLAR 4 is particularly well suited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGuitarists recording through amp simulation plugins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSinger-songwriters recording multiple sources\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHome and project studios\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProducers requiring four analogue input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGuitar and vocal recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStereo keyboard and synthesiser recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBass players using software amplification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAcoustic musicians using multiple microphones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePodcasters requiring several microphones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMusicians incorporating MIDI keyboards or drum machines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContent creators using loopback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo-person recording sessions requiring separate headphones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor guitarists who have found general-purpose audio interfaces technically capable but not particularly inspiring to play through, the POLAR 4's instrument-focused design is a major part of its appeal.\u003c\/p\u003e\n\u003ch2\u003eSuitable Recording Applications\u003c\/h2\u003e\n\u003cp\u003eThe POLAR 4 can sit at the centre of a wide range of home and project studio setups.\u003c\/p\u003e\n\u003cp\u003eIts four-channel architecture is well suited to \u003cstrong\u003eelectric guitar, bass, vocals, acoustic guitar, keyboards, synthesizers, stereo instruments, podcasting, songwriting, demo production, software amp modelling and small ensemble recording\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFour analogue inputs also provide useful flexibility for microphone techniques. An acoustic instrument, guitar cabinet or percussion source can be captured with more than one microphone while leaving additional channels available for vocals or another instrument.\u003c\/p\u003e\n\u003ch2\u003eWhat Makes POLAR Different For Recording Guitar?\u003c\/h2\u003e\n\u003cp\u003eA guitar pickup interacts with the input stage it is connected to, meaning the interface itself forms part of the signal chain before an amp simulator ever receives the signal.\u003c\/p\u003e\n\u003cp\u003eBlackstar developed the POLAR's high-headroom FET instrument stages and Enhance circuit specifically with this in mind. Rather than treating electric guitar as just another line-level source, the system is designed to provide a responsive DI signal that works naturally with amp modelling software.\u003c\/p\u003e\n\u003cp\u003eFor guitarists who record primarily through plugins, that focus can be particularly valuable because every virtual amplifier in the computer starts with the signal captured by the interface.\u003c\/p\u003e\n\u003ch2\u003eWhat Does The Blackstar Enhance Control Do?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEnhance behaves differently depending on the source connected.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith an instrument signal, engaging Enhance introduces analogue electronics designed to recreate characteristics associated with the input stage of a traditional guitar amplifier. This allows the player to drive the input naturally while maintaining a controlled digital recording level.\u003c\/p\u003e\n\u003cp\u003eWith microphone and line sources, the Enhance circuit takes a different approach, adding subtle upper-frequency clarity and air that can complement vocals, acoustic guitars and other sources.\u003c\/p\u003e\n\u003cp\u003eBecause each of the POLAR 4's four channels has its own Enhance control, the feature can be applied independently to the sources that benefit from it.\u003c\/p\u003e\n\u003ch2\u003eFour Microphone Preamps For Flexible Sessions\u003c\/h2\u003e\n\u003cp\u003eThe POLAR 4 provides \u003cstrong\u003efour microphone preamps\u003c\/strong\u003e, giving it a substantial advantage over many compact interfaces that offer only two microphone inputs despite having four total input channels.\u003c\/p\u003e\n\u003cp\u003eThis allows setups such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eVocal + stereo acoustic guitar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo vocals + two instruments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour-microphone podcast recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-mic guitar cabinet recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmall acoustic ensembles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStereo piano + vocals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple percussion microphones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe preamps are inspired by classic studio preamp designs and are intended to provide a warm, detailed recording foundation.\u003c\/p\u003e\n\u003ch2\u003e+48V Phantom Power\u003c\/h2\u003e\n\u003cp\u003eThe POLAR 4 provides \u003cstrong\u003e48-volt phantom power\u003c\/strong\u003e for compatible condenser microphones.\u003c\/p\u003e\n\u003cp\u003eThis means studio condenser microphones can be connected directly without needing an external phantom-power supply or separate microphone preamp.\u003c\/p\u003e\n\u003cp\u003eAlways check the requirements of the microphone or connected equipment before enabling phantom power.\u003c\/p\u003e\n\u003ch2\u003eTwo Headphone Mixes\u003c\/h2\u003e\n\u003cp\u003eA second headphone output is especially useful once a home studio starts recording more than one person.\u003c\/p\u003e\n\u003cp\u003eThe POLAR 4 provides \u003cstrong\u003etwo high-output headphone connections with independent level controls\u003c\/strong\u003e, allowing an engineer and performer to listen at comfortable individual volumes.\u003c\/p\u003e\n\u003cp\u003eThe routing capabilities available through POLAR Control also make it possible to create more useful monitoring arrangements during recording.\u003c\/p\u003e\n\u003ch2\u003eFour Line Outputs\u003c\/h2\u003e\n\u003cp\u003eFour line-level outputs provide greater flexibility than a conventional two-output desktop interface.\u003c\/p\u003e\n\u003cp\u003eOutputs 1 and 2 can form the main stereo monitor feed, while Outputs 3 and 4 can be used for additional routing tasks such as alternative monitoring, external processing or separate playback feeds depending on your recording setup.\u003c\/p\u003e\n\u003cp\u003eThis makes the POLAR 4 considerably easier to grow into than a basic two-input\/two-output interface.\u003c\/p\u003e\n\u003ch2\u003eMIDI In \u0026amp; Out\u003c\/h2\u003e\n\u003cp\u003eThe POLAR 4 adds \u003cstrong\u003eMIDI In and MIDI Out\u003c\/strong\u003e, a feature not found on the smaller POLAR 2.\u003c\/p\u003e\n\u003cp\u003eThis is useful for integrating:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMIDI keyboards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynthesizers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDrum machines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHardware sequencers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMIDI controllers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOther compatible studio equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAudio and MIDI can therefore be handled through the same central interface rather than adding a separate MIDI adaptor.\u003c\/p\u003e\n\u003ch2\u003ePOLAR Control \u0026amp; Zero-Latency Monitoring\u003c\/h2\u003e\n\u003cp\u003eThe included \u003cstrong\u003ePOLAR Control\u003c\/strong\u003e software provides control over monitoring, levels, panning and signal routing.\u003c\/p\u003e\n\u003cp\u003eDirect monitoring helps you hear incoming instruments and microphones without waiting for the signal to travel through recording software and back again.\u003c\/p\u003e\n\u003cp\u003eThis is especially important for vocals and guitar, where noticeable monitoring latency can affect timing and performance.\u003c\/p\u003e\n\u003ch2\u003eLoopback For Streaming \u0026amp; Content Creation\u003c\/h2\u003e\n\u003cp\u003eBuilt-in \u003cstrong\u003eloopback\u003c\/strong\u003e allows audio playing from your computer to be routed back into the recording system alongside live microphone and instrument inputs.\u003c\/p\u003e\n\u003cp\u003eThis can be useful for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLivestreaming\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePodcast production\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOnline teaching\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoftware demonstrations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecording computer playback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContent creation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe POLAR 4 provides \u003cstrong\u003e6 x 6 simultaneous I\/O when its loopback channels are included\u003c\/strong\u003e, giving the interface useful routing capability beyond its four physical recording inputs.\u003c\/p\u003e\n\u003ch2\u003e24-Bit \/ 192kHz Recording\u003c\/h2\u003e\n\u003cp\u003eThe POLAR 4 supports audio resolution of up to \u003cstrong\u003e24-bit\/192kHz\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSupported sample rates include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e44.1kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e48kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e88.2kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e96kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e176.4kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e192kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor most music-production work, conventional 44.1kHz or 48kHz sessions remain entirely practical, while the higher available rates give you flexibility where a particular recording workflow calls for them.\u003c\/p\u003e\n\u003ch2\u003eBundled Recording Software\u003c\/h2\u003e\n\u003cp\u003eRegistering the POLAR 4 provides access to a useful studio software collection designed to get a new recording system started.\u003c\/p\u003e\n\u003ch3\u003eBlackstar St. James Plugin Suite\u003c\/h3\u003e\n\u003cp\u003eThe St. James software brings Blackstar's St. James amplifier platform into a plugin environment, making it a particularly natural partner for the POLAR's guitar-focused inputs.\u003c\/p\u003e\n\u003ch3\u003eAbleton Live Lite\u003c\/h3\u003e\n\u003cp\u003eA streamlined version of Ableton's recording and production environment for creating, arranging and recording music.\u003c\/p\u003e\n\u003ch3\u003eReLab LX480 Essentials Reverb\u003c\/h3\u003e\n\u003cp\u003eA software reverb designed around classic studio-style ambience and spatial effects.\u003c\/p\u003e\n\u003ch3\u003eMelodyne Essential\u003c\/h3\u003e\n\u003cp\u003ePitch and timing editing software useful for vocal and melodic audio correction and creative editing.\u003c\/p\u003e\n\u003ch3\u003ePOLAR Control\u003c\/h3\u003e\n\u003cp\u003eBlackstar's own control software handles monitoring and routing functions for the hardware interface.\u003c\/p\u003e\n\u003ch2\u003eStory \u0026amp; Context\u003c\/h2\u003e\n\u003cp\u003eBlackstar built its reputation around guitar amplifiers, so its move into recording interfaces naturally focused on one of the biggest changes in modern guitar recording: more players now capture a clean DI signal and create the finished amplifier sound inside the computer.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ePOLAR family\u003c\/strong\u003e was developed specifically around that workflow. Rather than simply producing another generic USB interface, Blackstar concentrated on the point where the guitar meets the recording system, using FET input stages and the proprietary Enhance circuitry to make the captured guitar signal a more responsive foundation for software amplification.\u003c\/p\u003e\n\u003cp\u003eWithin the original POLAR desktop range, the \u003cstrong\u003ePOLAR 4 is the more comprehensive studio model\u003c\/strong\u003e, expanding the two-channel concept with four recording channels, additional outputs, dual headphone monitoring and MIDI connectivity.\u003c\/p\u003e\n\u003cp\u003eThat makes it particularly relevant to guitarists whose home studios have grown beyond solo demo recording into collaborative sessions, production and multi-instrument recording.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eBlackstar POLAR 4\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFour-channel USB audio interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrophone Preamps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstrument Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnhance Switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhantom Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeadphone Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMIDI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMIDI In \/ MIDI Out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoopback\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Connectivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSimultaneous I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 x 6 including loopback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24-bit \/ 192kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Sample Rates\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e44.1, 48, 88.2, 96, 176.4 \u0026amp; 192kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBus Powered\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Power Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e960mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230 x 64 x 115mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.93kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePower Requirements\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlackstar POLAR 4 is USB bus powered\u003c\/strong\u003e and can normally run directly from a compatible computer using the supplied USB-A to USB-C cable.\u003c\/p\u003e\n\u003cp\u003eBlackstar specifies a USB power requirement of \u003cstrong\u003e960mA\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIf the connected USB port cannot provide sufficient power, the interface also provides a \u003cstrong\u003e5V DC power input\u003c\/strong\u003e and includes a USB-A to DC power cable for use with a suitable external USB power source.\u003c\/p\u003e\n\u003cp\u003eThe POLAR 4 does \u003cstrong\u003enot require an internal rechargeable battery\u003c\/strong\u003e for normal desktop operation.\u003c\/p\u003e\n\u003ch2\u003ePairs Perfectly With\u003c\/h2\u003e\n\u003ch3\u003eBlackstar St. James Plugin Suite\u003c\/h3\u003e\n\u003cp\u003eIncluded as part of the downloadable software collection and an obvious match for the POLAR's guitar-focused instrument inputs.\u003c\/p\u003e\n\u003ch3\u003eStudio Condenser Microphones\u003c\/h3\u003e\n\u003cp\u003eThe four microphone preamps and +48V phantom power make POLAR 4 suitable for multi-microphone recording.\u003c\/p\u003e\n\u003ch3\u003ePowered Studio Monitors\u003c\/h3\u003e\n\u003cp\u003eBalanced line outputs provide the appropriate connection for a pair of quality powered recording monitors.\u003c\/p\u003e\n\u003ch3\u003eStudio Headphones\u003c\/h3\u003e\n\u003cp\u003eTwo separate headphone outputs make a second pair particularly useful when recording another musician.\u003c\/p\u003e\n\u003ch3\u003eMIDI Keyboard\u003c\/h3\u003e\n\u003cp\u003eMIDI In and Out make it easy to add compatible controllers, synthesizers and other MIDI hardware.\u003c\/p\u003e\n\u003cp\u003eLooking for advice on choosing the right audio interface, studio monitors, microphone or complete home recording setup? Our experienced team of musicians can help by phone, online or in-store.\u003c\/p\u003e\n\u003ch2\u003eFair Deal Music Verdict 🎵\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e★★★★★ 5\/5\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlackstar POLAR 4\u003c\/strong\u003e is a particularly interesting audio interface for guitarists because its headline features are not just extra software functions. Blackstar has put analogue circuitry at the front of the recording chain specifically to address how a guitar feels and responds when plugged directly into an interface.\u003c\/p\u003e\n\u003cp\u003eFour mic, line and instrument-capable channels also make it considerably more versatile than a simple guitar DI box. Add dual headphone monitoring, four line outputs, MIDI, loopback and 24-bit\/192kHz audio and there is enough here to become the centre of a serious home or project studio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBest suited for:\u003c\/strong\u003e Guitarists, singer-songwriters, producers and home studios needing four high-quality analogue recording channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomers usually upgrade from:\u003c\/strong\u003e Two-channel USB interfaces, basic guitar-to-computer adaptors or smaller interfaces that no longer provide enough microphone inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMost commonly paired with:\u003c\/strong\u003e Studio monitors, condenser microphones, headphones, MIDI controllers and guitar amp plugins.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur tip:\u003c\/strong\u003e Try recording the same guitar passage with Enhance switched on and off before committing to a session. The difference is intentionally at the input stage, so comparing both settings through the same amp plugin is the easiest way to understand what the circuit is adding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShowroom feedback:\u003c\/strong\u003e The POLAR 4 makes the strongest case for itself when guitar recording is central to the studio. There are plenty of four-channel interfaces available, but Blackstar's FET inputs and Enhance circuitry give this one a genuinely different reason to exist rather than simply adding another set of specifications.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy From Fair Deal Music?\u003c\/h2\u003e\n\u003cp\u003eWhen you buy from Fair Deal Music, you're choosing one of the UK's most established, independent family run music retailers since 1987.\u003c\/p\u003e\n\u003cp\u003eOur Birmingham showroom is backed by a knowledgeable, musician-led team who understand guitars, studio equipment, microphones, audio interfaces and complete recording setups. Whether you're putting together your first home studio or expanding an existing production system, we're here to help you choose equipment that works properly together.\u003c\/p\u003e\n\u003cp\u003eWhen you shop with Fair Deal Music, you can buy with confidence thanks to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eExpert advice from knowledgeable musicians\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarefully checked new, used, pre-owned and ex-display equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompetitive prices on leading music brands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSecure UK-wide delivery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible finance options available, subject to status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFriendly support before and after your purchase\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA trusted independent UK music retailer with decades of experience\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA large Birmingham showroom where you can speak directly with our team\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTrade In. Trade Up. Save More.\u003c\/h2\u003e\n\u003cp\u003eThinking about upgrading? Your next piece of gear could cost less than you think.\u003c\/p\u003e\n\u003cp\u003eWe're always happy to consider part exchanges and trade-ins on a wide range of musical instruments and equipment. Whether you're looking to upgrade your guitar, keyboard, amplifier, recording equipment, drum kit or studio gear, your existing equipment could help reduce the cost of your next purchase.\u003c\/p\u003e\n\u003cp\u003eSimply get in touch with our team for a no-obligation valuation, and we'll be happy to discuss the options available.\u003c\/p\u003e\n\u003cp\u003eIt's an easy way to unlock the value of the gear you no longer use while making your next setup even more affordable.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs the Blackstar POLAR 4 only for guitar recording?\u003c\/h3\u003e\n\u003cp\u003eNo. Although the interface has been designed with guitarists in mind, all four channels can handle microphone, instrument and line-level recording, making it suitable for vocals, acoustic instruments, keyboards and broader studio use.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the POLAR 2 and POLAR 4?\u003c\/h3\u003e\n\u003cp\u003eThe POLAR 4 provides four microphone preamps, four instrument\/line channels, four line outputs, two headphone outputs and MIDI In\/Out. The POLAR 2 has two recording channels, two line outputs, one headphone output and no MIDI connections.\u003c\/p\u003e\n\u003ch3\u003eCan I record four microphones at the same time?\u003c\/h3\u003e\n\u003cp\u003eYes. The POLAR 4 provides four microphone preamps, allowing four compatible microphones to be recorded simultaneously.\u003c\/p\u003e\n\u003ch3\u003eCan I use condenser microphones?\u003c\/h3\u003e\n\u003cp\u003eYes. +48V phantom power is available for compatible condenser microphones.\u003c\/p\u003e\n\u003ch3\u003eIs the Enhance control an amp simulator?\u003c\/h3\u003e\n\u003cp\u003eNo. Enhance operates at the analogue input stage rather than replacing a guitar amp plugin. With an instrument connected, it is designed to shape the way the DI signal responds before it enters your recording software.\u003c\/p\u003e\n\u003ch3\u003eCan I use guitar amp plugins with POLAR 4?\u003c\/h3\u003e\n\u003cp\u003eYes. Software amp modelling is one of its main applications. The included Blackstar St. James Plugin Suite also gives you a guitar amp plugin package to start using with the interface.\u003c\/p\u003e\n\u003ch3\u003eCan two people monitor through headphones?\u003c\/h3\u003e\n\u003cp\u003eYes. The POLAR 4 has two high-output headphone connections with separate level controls, making it much more practical for engineer-and-performer or two-musician sessions.\u003c\/p\u003e\n\u003ch3\u003eDoes POLAR 4 have MIDI?\u003c\/h3\u003e\n\u003cp\u003eYes. MIDI In and MIDI Out are included for compatible keyboards, drum machines, controllers and other MIDI hardware.\u003c\/p\u003e\n\u003ch3\u003eDoes it have loopback for streaming?\u003c\/h3\u003e\n\u003cp\u003eYes. Loopback allows computer playback to be incorporated into the interface's internal routing, making it useful for streaming, podcasting and online content.\u003c\/p\u003e\n\u003ch3\u003eDoes the POLAR 4 need a separate power supply?\u003c\/h3\u003e\n\u003cp\u003eNormally, no. It is designed to operate from USB bus power when connected to a USB port capable of supplying the required current. A separate 5V power option is available if additional power is required.\u003c\/p\u003e\n\u003ch3\u003eCan I connect studio monitors?\u003c\/h3\u003e\n\u003cp\u003eYes. The POLAR 4 provides balanced line outputs for connection to compatible powered studio monitors.\u003c\/p\u003e\n\u003ch3\u003eDoes it work at 192kHz?\u003c\/h3\u003e\n\u003cp\u003eYes. The interface supports recording sample rates up to 192kHz at 24-bit resolution.\u003c\/p\u003e\n\u003ch3\u003eIs the POLAR 4 suitable for podcasting?\u003c\/h3\u003e\n\u003cp\u003eYes. Four microphone preamps, two headphone outputs and loopback make it a capable option for multi-person spoken-word recording as well as music production.\u003c\/p\u003e\n\u003ch3\u003eShould I choose the POLAR 4 or Scarlett 4i4?\u003c\/h3\u003e\n\u003cp\u003eThe Scarlett 4i4 is a strong general-purpose interface with workflow features including Auto Gain and Clip Safe. The POLAR 4 is particularly compelling if guitar recording and the ability to connect up to four microphones are priorities.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBlackstar POLAR 4 Four-Channel USB Audio Interface\u003c\/strong\u003e is a strong centrepiece for a modern guitarist's home studio. Its combination of four flexible recording channels, guitar-focused FET inputs, analogue Enhance technology, expanded monitoring, MIDI and a useful software package makes it capable enough for serious recording while remaining straightforward enough for everyday songwriting and production.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"Blackstar","offers":[{"title":"Default Title","offer_id":55558522274172,"sku":"Polar 4","price":299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0441\/6457\/9484\/files\/POLAR-4-White-Shots-Top.jpg?v=1752847288","url":"https:\/\/www.fairdealmusic.co.uk\/products\/blackstar-polar-4-audio-interface","provider":"Fair Deal Music","version":"1.0","type":"link"}