{"product_id":"dod-envelope-filter-440-guitar-effects-pedal","title":"DOD Envelope Filter 440 Auto-Wah Guitar Effects Pedal","description":"\u003cp\u003eThe \u003cstrong\u003eDOD Envelope Filter 440\u003c\/strong\u003e is a dynamic envelope filter and auto-wah pedal designed to create expressive, touch-sensitive filter sweeps that respond directly to your picking attack.\u003c\/p\u003e\n\u003cp\u003eBased on the classic \u003cstrong\u003eDOD 440 Envelope Filter\u003c\/strong\u003e circuit, the modern version retains the simple, musical character of the original while adding an \u003cstrong\u003eUp\/Down sweep switch, true bypass, status LED and updated pedalboard-friendly construction\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith just \u003cstrong\u003eLevel and Range controls\u003c\/strong\u003e, the 440 can move from sharp funk-style quack and vowel-like guitar tones to slower, deeper filter sweeps. It works equally well with \u003cstrong\u003eelectric guitar, bass and keyboards\u003c\/strong\u003e, making it a versatile option for funk, psychedelic, alternative, soul, fusion and experimental music.\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\u003eDOD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnvelope Filter 440\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnvelope Filter \/ Auto-Wah Pedal\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\u003eCircuit Heritage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOriginal DOD Envelope Filter 440\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLevel, Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSweep Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp \/ Down\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResponds to Pick Attack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGuitar, Bass \u0026amp; Keyboards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBypass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTrue Bypass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLightweight Aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V Battery or Compatible 9V DC Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Appeal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExpressive auto-wah and touch-sensitive filter sweeps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat Makes The DOD Envelope Filter 440 Special?\u003c\/h2\u003e\n\u003cp\u003eUnlike a traditional wah pedal, the DOD Envelope Filter 440 does not require a treadle.\u003c\/p\u003e\n\u003cp\u003eInstead, the filter responds automatically to the dynamics of your playing. Pick harder and the filter reacts more strongly; play more softly and the sweep becomes more restrained.\u003c\/p\u003e\n\u003cp\u003eThis makes the 440 exceptionally responsive for rhythmic funk guitar, bass lines, expressive lead work and psychedelic effects where the filter becomes part of your playing technique.\u003c\/p\u003e\n\u003ch2\u003eLevel Control\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLevel\u003c\/strong\u003e control adjusts the sensitivity of the envelope to your playing dynamics.\u003c\/p\u003e\n\u003cp\u003eHigher settings make the pedal respond to lighter picking, while lower settings require a stronger input before the filter opens.\u003c\/p\u003e\n\u003cp\u003eThis allows you to tailor the response to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eYour picking strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePickup output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGuitar volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBass output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeyboard level\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDifferent playing styles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA player with lower-output single-coil pickups may prefer a higher Level setting, while hotter pickups can often trigger the envelope at lower settings.\u003c\/p\u003e\n\u003ch2\u003eRange Control\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRange\u003c\/strong\u003e control determines the frequency area covered by the envelope sweep.\u003c\/p\u003e\n\u003cp\u003eTurn it towards the lower end for deeper, warmer filtering or increase it for brighter and more pronounced vowel-like effects.\u003c\/p\u003e\n\u003cp\u003eThis makes it easy to adapt the 440 for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFunk rhythm guitar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLead guitar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePsychedelic sweeps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeyboard filtering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSubtle dynamic tone shaping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUp \u0026amp; Down Sweep Modes\u003c\/h2\u003e\n\u003cp\u003eThe modern DOD 440 adds an \u003cstrong\u003eUp\/Down switch\u003c\/strong\u003e, expanding the range beyond the original design.\u003c\/p\u003e\n\u003ch3\u003eUp Mode\u003c\/h3\u003e\n\u003cp\u003eUp mode produces the classic rising envelope-filter response associated with funk guitar and auto-wah effects.\u003c\/p\u003e\n\u003cp\u003eIt works particularly well for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFunk rhythm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChoppy chords\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSingle-note lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClassic auto-wah sounds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpressive lead guitar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDown Mode\u003c\/h3\u003e\n\u003cp\u003eDown reverses the emphasis of the filter sweep for a deeper and more unusual response.\u003c\/p\u003e\n\u003cp\u003eIt is especially effective on bass, low-register guitar and experimental parts where you want the filter movement to feel different from a conventional auto-wah.\u003c\/p\u003e\n\u003ch2\u003eResponsive To Your Playing\u003c\/h2\u003e\n\u003cp\u003eThe DOD 440 is highly dependent on playing dynamics.\u003c\/p\u003e\n\u003cp\u003eRather than producing exactly the same effect on every note, the envelope reacts to the strength of the incoming signal.\u003c\/p\u003e\n\u003cp\u003eThis means you can alter the sound simply by:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePicking harder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePicking softer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChanging guitar volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSwitching pickups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlaying chords instead of single notes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe result is an effect that feels more interactive than a fixed modulation pedal.\u003c\/p\u003e\n\u003ch2\u003eDOD Envelope Filter 440 For Funk Guitar\u003c\/h2\u003e\n\u003cp\u003eEnvelope filters are closely associated with funk because they can turn short, rhythmic notes into sharp vocal-like sweeps.\u003c\/p\u003e\n\u003cp\u003eWith the Range set towards the brighter end and the Level adjusted to respond clearly to your picking, the 440 can deliver classic:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQuack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChicka-style rhythm sounds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVowel-like filtering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDynamic clean guitar textures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo expression pedal is required.\u003c\/p\u003e\n\u003ch2\u003eDOD Envelope Filter 440 With Bass\u003c\/h2\u003e\n\u003cp\u003eThe 440 also works particularly well with bass guitar.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDown\u003c\/strong\u003e setting can emphasise deeper filter movement, while the Level control lets you match the pedal's sensitivity to the stronger output of many bass pickups.\u003c\/p\u003e\n\u003cp\u003eIt can be used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFunk bass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDub-inspired sounds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePsychedelic bass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFusion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSynth-like bass textures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExperimental filtering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDOD Envelope Filter 440 With Keyboards\u003c\/h2\u003e\n\u003cp\u003eThe 440 is not limited to guitar.\u003c\/p\u003e\n\u003cp\u003eKeyboards and synthesisers can also trigger its envelope, giving you touch-responsive filtering without needing to automate a filter parameter separately.\u003c\/p\u003e\n\u003cp\u003eDifferent keyboard output levels may require adjustment of the Level control to achieve the most responsive sweep.\u003c\/p\u003e\n\u003ch2\u003eWho Is It For?\u003c\/h2\u003e\n\u003cp\u003eThe DOD Envelope Filter 440 is particularly well suited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFunk guitarists\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBass players\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoul\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFusion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePsychedelic rock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlternative\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndie\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExperimental music\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeyboard players\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlayers looking for auto-wah effects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMusicians who prefer dynamic effects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGuitarists wanting wah-style sounds without a treadle pedal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose An Envelope Filter?\u003c\/h2\u003e\n\u003cp\u003eA traditional wah pedal requires you to move the treadle manually.\u003c\/p\u003e\n\u003cp\u003eAn envelope filter automatically moves the filter according to your playing dynamics.\u003c\/p\u003e\n\u003cp\u003eThis lets both hands remain focused on the instrument while your pick attack determines how dramatically the filter opens and closes.\u003c\/p\u003e\n\u003cp\u003eThe effect can feel particularly expressive because the sound changes naturally with the way you play.\u003c\/p\u003e\n\u003ch2\u003eHow It Compares\u003c\/h2\u003e\n\u003ch3\u003eEnvelope Filter 440 vs Traditional Wah Pedal\u003c\/h3\u003e\n\u003cp\u003eA standard wah uses a foot-operated treadle to control the filter manually.\u003c\/p\u003e\n\u003cp\u003eThe DOD 440 reacts automatically to your playing dynamics, making it ideal for rhythmic passages and players who want a hands-free wah-style effect.\u003c\/p\u003e\n\u003ch3\u003eEnvelope Filter 440 vs Fixed Auto-Wah\u003c\/h3\u003e\n\u003cp\u003eSome auto-wah effects sweep at a preset speed regardless of how hard you play.\u003c\/p\u003e\n\u003cp\u003eThe DOD 440 is envelope-controlled, so the movement responds directly to the incoming signal.\u003c\/p\u003e\n\u003ch3\u003eOriginal DOD 440 vs Modern 440\u003c\/h3\u003e\n\u003cp\u003eThe current model is based on the original DOD Envelope Filter 440 circuit but uses updated components and adds an \u003cstrong\u003eUp\/Down sweep switch, true bypass, status LED and lighter aluminium chassis\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat's Included?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDOD Envelope Filter 440 Guitar Effects Pedal\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNo power supply included.\u003c\/strong\u003e\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\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\u003eDOD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnvelope Filter 440\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnvelope Filter \/ Auto-Wah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLevel, Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSweep Switch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp \/ Down\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x 1\/4\" Instrument\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x 1\/4\" Instrument\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBypass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTrue Bypass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus Indicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll Metal \/ Aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V Alkaline Battery or Compatible 9V DC Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e119mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e67mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e57mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 281g\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePower Requirements\u003c\/h2\u003e\n\u003cp\u003eThe DOD Envelope Filter 440 can be powered by a \u003cstrong\u003e9V alkaline battery\u003c\/strong\u003e or a compatible regulated \u003cstrong\u003e9V DC pedal power supply\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNo external power supply is included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat does the DOD Envelope Filter 440 do?\u003c\/h3\u003e\n\u003cp\u003eIt automatically sweeps a filter according to the dynamics of your playing, producing auto-wah, vowel-like and funk-style filter effects.\u003c\/p\u003e\n\u003ch3\u003eIs the DOD 440 an auto-wah pedal?\u003c\/h3\u003e\n\u003cp\u003eYes. It can produce classic auto-wah-style sounds without requiring an expression treadle.\u003c\/p\u003e\n\u003ch3\u003eWhat does the Level control do?\u003c\/h3\u003e\n\u003cp\u003eLevel determines how sensitive the envelope is to your picking attack and incoming signal level.\u003c\/p\u003e\n\u003ch3\u003eWhat does the Range control do?\u003c\/h3\u003e\n\u003cp\u003eRange determines which frequency area the filter sweeps through.\u003c\/p\u003e\n\u003ch3\u003eWhat does the Up\/Down switch do?\u003c\/h3\u003e\n\u003cp\u003eIt changes which direction or portion of the envelope sweep is emphasised, providing two different filter responses.\u003c\/p\u003e\n\u003ch3\u003eIs Up mode good for funk guitar?\u003c\/h3\u003e\n\u003cp\u003eYes. Up mode is particularly suited to classic quacking envelope-filter and funk rhythm sounds.\u003c\/p\u003e\n\u003ch3\u003eIs Down mode useful for bass?\u003c\/h3\u003e\n\u003cp\u003eYes. Down mode can create deeper filter movement that works especially well with bass and lower-frequency instruments.\u003c\/p\u003e\n\u003ch3\u003eDoes the DOD 440 react to picking dynamics?\u003c\/h3\u003e\n\u003cp\u003eYes. Picking harder or softer changes how strongly the envelope responds.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with bass?\u003c\/h3\u003e\n\u003cp\u003eYes. The DOD 440 is designed to work with bass as well as electric guitar.\u003c\/p\u003e\n\u003ch3\u003eCan it be used with keyboards?\u003c\/h3\u003e\n\u003cp\u003eYes. DOD specifically lists keyboards among the instruments suitable for the 440.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with chords?\u003c\/h3\u003e\n\u003cp\u003eYes. It can be used for funky chord work as well as single-note lines.\u003c\/p\u003e\n\u003ch3\u003eIs the DOD 440 based on a vintage pedal?\u003c\/h3\u003e\n\u003cp\u003eYes. The current model is based on the original DOD Envelope Filter 440 circuit.\u003c\/p\u003e\n\u003ch3\u003eWhat has changed from the original?\u003c\/h3\u003e\n\u003cp\u003eThe modern model uses updated components and adds the Up\/Down switch, true bypass, status LED and lighter aluminium construction.\u003c\/p\u003e\n\u003ch3\u003eDoes it have true bypass?\u003c\/h3\u003e\n\u003cp\u003eYes. The current DOD Envelope Filter 440 uses \u003cstrong\u003etrue bypass\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCan it run from a battery?\u003c\/h3\u003e\n\u003cp\u003eYes. It can operate from a standard 9V alkaline battery.\u003c\/p\u003e\n\u003ch3\u003eIs a power supply included?\u003c\/h3\u003e\n\u003cp\u003eNo. A compatible external power supply is \u003cstrong\u003enot included\u003c\/strong\u003e.\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\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExpert advice from knowledgeable musicians\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCarefully checked new, used, pre-owned and ex-display equipment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompetitive prices on leading music brands\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecure UK-wide delivery\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible finance options, subject to status\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFriendly support before and after purchase\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndependent UK music retailer established in 1987\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLarge Birmingham showroom at 79–83 Holloway Head\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTrade In. Trade Up. Save More.\u003c\/h3\u003e\n\u003cp\u003eLooking to upgrade your pedalboard? \u003cstrong\u003eFair Deal Music accepts part exchanges\u003c\/strong\u003e across a wide range of effects pedals, guitars, basses, amplifiers, keyboards and other musical equipment.\u003c\/p\u003e\n\u003cp\u003eContact our team for a \u003cstrong\u003eno-obligation valuation\u003c\/strong\u003e and find out how the value of your existing gear could help towards your next purchase.\u003c\/p\u003e","brand":"DOD","offers":[{"title":"Default Title","offer_id":43745581859041,"sku":"DOD-ENVELOPE-440","price":85.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0441\/6457\/9484\/products\/DOD-Envelope-Filter-440-Guitar-Pedal-Top-1200x1200-1.jpg?v=1676319916","url":"https:\/\/www.fairdealmusic.co.uk\/products\/dod-envelope-filter-440-guitar-effects-pedal","provider":"Fair Deal Music","version":"1.0","type":"link"}