Pricing and availability
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Average Price: $273
High-end/Boutique
$70
$251+
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Price History
Based on price data from 1 merchant for "DOD 440 Envelope Filter". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unlock the dynamic and expressive potential of your sound with the DOD 440 Envelope Filter. This reimagined classic is designed to inject a funky, quacky vibe into your guitar or bass setup, responding intuitively to your playing dynamics. The pedal's pick-attack-activated filter sweeps deliver a signature auto-wah effect that becomes even more electrifying when paired with overdrive. With the adaptable Range control, you can precisely tailor the frequencies of the sweep, avoiding any unwanted muddiness or harshness.
What sets the DOD 440 apart is its innovative bipolar Voice switch. This unique feature allows you to select the emphasis on either the rise or fall of the filter sweep, offering versatility for both guitarists and bass players. The Up setting is perfect for achieving that classic 440 quacky effect, while the Down setting provides a deep, resonant dive that enhances bass tones. Constructed with a light aluminum chassis, a vibrant blue status LED, and true-bypass switching, this pedal is as rugged as it is responsive.
Key Features:
- Reissued envelope filter with pick/transient-triggered sweeps
- Bipolar Voice switch for customizing sweep emphasis
- Range control to set frequency coverage
- True-bypass switching with a light aluminum chassis
- Up setting for classic auto-wah effect
- Down setting for enhanced bass body
- Blue status LED for clear on-stage visibility
Product specs
| Brand | DOD |
| Model | 440 Envelope Filter |
| Finish | Red |
| Year | 1970s |
| Made In | United States |
| Categories | Filter and Wah Pedals |
FAQs
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What does the DOD 440 Envelope Filter do to my guitar tone?
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The DOD 440 Envelope Filter adds dynamic, vowel-like sounds to your guitar by reacting to your playing dynamics, emphasizing specific frequency sweeps. This creates a quack-like effect that is popular in funk and other rhythm-focused genres.
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Is the DOD 440 Envelope Filter suitable for bass guitar?
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Yes, the DOD 440 Envelope Filter can be used with bass guitars, providing a unique, expressive tone that enhances the dynamic range of your playing, similar to its effect on electric guitars.
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How does the "up" and "down" switch affect the DOD 440 Envelope Filter's sound?
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The "up" and "down" switch on the DOD 440 Envelope Filter allows you to choose which part of the frequency sweep is emphasized. The "up" setting highlights the higher frequencies for a classic quack, while the "down" setting emphasizes lower frequencies for a subtler effect.
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Does the DOD 440 Envelope Filter require a specific power supply?
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The DOD 440 Envelope Filter typically requires a standard 9V power supply, which is common for many guitar pedals, making it easy to integrate into your existing pedalboard setup.
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Can the DOD 440 Envelope Filter be used in a live performance setting?
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Yes, the DOD 440 Envelope Filter is well-suited for live performances, offering responsive dynamic filtering that enhances your sound in real-time, making it ideal for expressive playing styles.
Videos
ProGuitarShopDemos
DOD Envelope Filter 440
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about DOD 440 Envelope Filter.
Features and functionality
Comparisons
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Compared to the Q-Tron+, the DOD 440 is favored for its compact size and standard power requirements, making it a practical choice for mini pedalboards.
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The Helix's filter options tend toward Mu-Tron style rather than the DOD 440's distinctively bright and squelchy sound, making it difficult to replicate its signature tone.
Source
Use cases and applications
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The pedal works impressively well on acoustic guitars, as evidenced in live performances by Woodshed Red covering Tighten Up by Black Keys.
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Users seeking the "squelchiest" filter sound may find the DOD 440's characteristics better suited for synth-like applications than typical auto-wahs.
Source
3.5 out of 5
Based on 2 Reviews and 11 Ratings
182
41007
not a mutron
I got obsessed with envelope fitlers as a teenager. I didn't even know what they did back then. This was the first one I got. It was like 40 bucks which was a lot of money for me to spend on an effect back then. Its no mutron but it does its own thing. I think its been reissued. Try this on clavinet samples to release your inner Stevie Wonder.
Artist usage
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This detailed gear diagram of Jonny Greenwood's 1997 Radiohead stage setup includes a DOD 440 Envelope Filter.
A screenshot of Ed jamming with a Korg KR-55 and pedals during the Inside Out Night webcast (radiohead.com). His DOD 440 can be seen on the board near his Telecaster.
At 4:43 the DOD 440 Envelope Filter can be clearly seen in the vintage colorscheme.
In a user-uploaded photo, Peter Holmström's DOD 440 Envelope Filter is visible on the top row of his pedalboard.
despues del Phaser (DOD Phasor 201) vengo al Envelope, este pedal tambien es un hallazgo, es una reedicion de los 90 que tampoco se hace mas
"Pedals are FUN!!! And luckily it is very easy to change around and try different ones. So I do that a lot. But here are a few of my “must haves” (right now:) TC electronic: Polytune 2 SpectraComp bass compressor ditto looper Bonafide buffer Helix phaser DOD: envelope filter 440…"
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use DOD 440 Envelope Filter, it is most commonly used with the following gear.
Community setups
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