



Blackstar Polar 4 USB Audio Interface
Pairs well with

Blackstar Polar 4 USB Audio Interface
Description
The Polar 4 Audio interface from Blackstar is specially designed by guitarists for guitarists, to enhance your guitar DI signal in a way that brings back the coveted feel and response of playing through a real valve guitar amplifier.
Equipped with FET instrument inputs, Polar provides ultra-low noise and high headroom for the best sonic foundation for your guitar tone. The "Enhance" feature restores the touch, feel and response of playing a real amp via a unique circuit built to mimic the input stage of a real amplifier. When active, "Enhance" mode allows you to drive Polar's preamps like a real amp without worrying about digital clipping.
Polar's microphone preamps deliver warm, rich tones and authentic character which bring out the natural clarity and air from vocal performances.
Features:
- 4 channel audio interface designed for the recording guitarist.
- High-headroom FET input stage that improves tone and quality of signal and accommodates for wide range of instrument types, effect pedals and microphones.
- ‘Enhance’ feature that introduces electronics into the signal path that replicate the sound of a classic guitar amplifier
- ‘Enhance’ completely prevents digital clipping for instrument inputs. Drive this interface like it’s a real amp and be free of the fuss of setting the ‘correct’ levels.
- ‘Enhance’ on the microphone or LINE inputs gives natural clarity and air to vocal and acoustic guitar performances.
- The ‘Enhance’ feature negates the need for extra hardware and expensive DI’s to capture high quality guitar signal. It’s all built into POLAR.
- MIDI In and Out port for MIDI integration.
- Comes with the St. James Suite, Ableton Lite, ReLab LX480 Essentials, Melodyne Essential and more*.
- Mic preamp based off of the most renowned vintage studio preamps.
- Comes with POLAR Control mixing software, giving the control to adjust and fine-tune the levels, panning and routing of your monitoring.
- Runs on USB 2.0 bus power, with +48V switch for microphones that require phantom power.
Specification:
- Mic Preamps: 4
- Phantom Power: Yes, 48V
- Instrument Inputs: 4
- Line Inputs: 4
- Enhance Switches: 4
- Line Outputs: 4
- Headphone Outputs: 2
- Midi: MIDI In / Midi Out - 8 Pin DIN
- Loopback: Yes
- Connectivity: USB Type-C
- Protocol: USB 2.0
- Form Factor: Desktop
- Simultaneous I/O: 6 x 6 (including Loopback inputs)
- A/D Resolution: 24-bit/192 kHz
- Bus Powered: Yes (960mA)
- Supported Sample Rates: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
- Weight: 0.93kg
- Dimensions: 230 x 64 x 115mm
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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FAQs
How long is the warranty period?
For new products, you will get the full manufacturer warranty. For our second-hand products, we will cover any fault within 4 weeks of the purchase of any guitar. For pianos, that will be extended to 3 months.
What is the estimated delivery time?
We use the 24hr delivery in UK mainlands if it can be delivered by post. For Scotland and Wales, it depends on the area and the distance from our warehouse, but our aim is to get you order to your hands as soon as possible.
For products that cannot be posted, we will arrange the delivery with you to suit your schedule and deliver it to you
Do you offer international shipping?
We usually can ship instruments worldwide. Please get in touch to get a quote
What is the maintinance on your USED products?
- Guitars: Every guitar will be setup to a high playing standard before shipping. The electronics are checked and if there is any issue with guitar, it will be fixed.
- Pianos: Every piano is fully tested to make sure it's fully functional, cleaned, and if it's digital, a facroty reset is performed.
Do you offer assembly and installation?
We offer installation and assembly for pianos, drum kits, or any products that require it for and extra charge. Please get in touch so we can provide you with a quote.

