MXR Bass Envelope Filter

$ 169.99

Product Description, Features, & Specs:

MXR Bass Envelope Filter


The Bass Envelope Filter delivers classic analog envelope filter sounds with separate Dry and Effect level controls to keep your low end intact.

This pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included).


The MXR Bass Envelope Filter delivers classic analog envelope filter sounds in an easy-to-use and compact pedal designed specifically for bass. Separate Dry and Effect controls let you dial in the perfect mix of effected and direct signals, so you can bring the funk without losing the low end. Its wide range of filter tones can be shaped with the Decay and Q controls, and a simple twist of the Sensitivity knob can tailor the pedal for your attack-as well as adjust for passive or active basses. The Bass Envelope Filter's power supply circuitry is designed to withstand over-voltage or polarity mishaps, and its true-bypass switching preserves your tone in bypass mode. It's all packaged in a durable, lightweight, Phase 90-size aluminum housing for the ultimate in portability and pedalboard space-saving dimensions.

  • Classic envelope filter sounds
  • All-analog circuitry for rich, organic tone
  • Separate DRY and FX level controls for preserving low end
  • True bypass
The MXR Bass Envelope Filter is powered by one 9-volt battery (remove bottom plate to install), a 9-volt AC adapter such as the Dunlop ECB003/ECB003E, or a DC Brick™ power supply


Input Impedance:   1 MΩ
Output Impedance:   100 Ω
Max Input Level*:   -15 dBV
Max Output Level:   +8 dBV
Noise Floor*:   -94 dBV
Filter Sweep:   (fc) 76 Hz to 3.2 kHz
Sensitivity Range:   46 dB
Max Sensitivity at 500 Hz
fc = 3.2 kHz -23 dBV
fc = 100 kHz -39 dBV
Decay Stop Freq.:   76 Hz to 1.3 kHz
Filter Gain at fc
Q Min, fc = 76 Hz +8 dB
Q Max, fc = 76 Hz +18 dB
Q Min, fc = 3.2 kHz +8 dB
Q Max, fc = 3.2 kHz +26 dB
FX Range** -∞ to 0 dB
Dry Range -∞ to +6 dB
Bypass:   True Hardwire
Current Draw:   6 mA
Power Supply:   9 volts DC


Shipping Information

Shipping Policy

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Return Policy
Return Policy

New Items:

We honor a 14 day return window on all new items.

If you feel the need to return an item, it must be in the sellable condition, no paint chips, scratches or broken parts. Sellable Condition means that the product(s) is in exactly the same condition as it was when you received it. The item must have all the original packaging, included accessories owner’s manuals and blank warranty card, no sign of wear or abuse.

Used and Vintage Gear:

We honor a 3 day return window on all used and vintage items.

All our used gear is tested for functionality prior to being available for purchase and therefore only carries a 3 day approval period. If you would like to make a return just let us know within the 3 day window.

Damaged or Defective Items:

We visually inspect all items before shipment. If you believe you have received a damaged or defective product, please contact us immediately so we can work through the issue. Guitars, basses, and other equipment returned to us with pick marks, "buckle-rash", or any other damage or evidence of use may be subject to a 20% restocking fee, repair charge or disqualification of return. All items must be returned to us in the same condition they were when shipped to qualify. We reserve the right to refuse any return if we determine the item has been misused, modified or damaged by the purchaser. If the item turns out not to be defective upon inspection, we will have to deduct the cost of shipping from your return credit.

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SKU: M82
Vendor: MXR
Only 1 left in stock!

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