
Anthony Easton
The Maestro Agena Envelope Filter pedal is designed for ease of use and optimized dynamic control. It offers two distinct filter frequency options for a wide range of tonal possibilities. The pedal is all-analog and features a two-position Mode toggle switch for increased sonic versatility. The LO mode setting focuses the filter in a lower frequency range, while the HI mode emphasizes a higher range of frequencies. The intuitive 3-knob control layout allows users to set the desired Sense (the envelope’s sensitivity and response to picking attack), control the Attack (how fast the filter increases or opens up), and adjust the Decay and how long the filter stays in the open position. The pedal also features true bypass footswitching, with LED indicators in the Maestro logo to indicate when the effect is active.
Technical Specifications:
- Signal Processing: All-Analog
- Power Requirements: 9V battery or regulated 9VDC power supply (5.5 x 2.1 mm
plug, wired center-negative)
- Current Draw: 26.6 mA
- Input Impedance: 380 kOhms
- Output Impedance: 500 Ohms
- Switching Type: True Bypass
- Dimensions: 5.04" x 3.45" x 2.5" (128.0 mm x 87.6 mm x 63.5 mm)
- Weight: Net: 1.23 lb. (557.9 gm.) Gross: 1.59 lb. (721.2 gm.)
The Agena Envelope Filter pedal is suitable for guitarists and musicians looking to add dynamic filtering effects to their sound, particularly for funk and other genres where expressive filtering is desired.
Watch the latest video demos and reviews for the Agena Envelope Filter Pedal from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the Maestro Agena Envelope Filter Pedal from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Brand New
$159

Brand New
$59.99

Excellent
$139

Brand New
$159

Brand New
$188.39

Mint
$159.99

Brand New
$186.79

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Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton