Keeley Neutrino

^# 27

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$179.00 Price Tier: Standard

4.5 (6)

This product is Vintage or Discontinued

Find out who is using Keeley Neutrino

1 community setup

2 wishlisted

13 saved

Page last updated Jul 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated July 1, 2026.

Store

Reviews

Price

5.0 (1)

$179.00

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5.0 (25)

$179.00 10 available New

$69.99 26 available Used

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Average Price: $143

Standard/Professional

$70

$251+

Price Tier

In the Filter Effects Pedals category, Keeley Neutrino is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "Keeley Neutrino". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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The Keeley Neutrino is more than just an envelope filter; it's a journey into the heart of funk. Designed with a classic opto-coupler circuit, this pedal delivers a warm, rich tone that responds dynamically to your playing style. Whether you're laying down rhythmic chops or soaring through solos, the Neutrino shapes your sound with precision. The intuitive controls offer seamless adjustments, allowing you to refine your tone to perfection. Dive into the groove with the versatile Direction Switch, giving you the power to control the wah's movement. It's an ideal companion for any guitarist looking to add a touch of funk to their setup, while still offering the subtlety required for other genres. The Keeley Neutrino is not just a pedal; it's a tool for musical expression.

Key Features:

Classic opto-coupler design for warm, rich tones
Responsive to pick attack, enhancing dynamic playability
Direction Switch for controlling wah direction
Simple controls for easy tone adjustments
Suitable for both solo work and chordal playing

Product specs

Analog/Digital	analog
Power	9V

Videos

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Mike Hermans

Keeley Neutrino Envelope Filter

Mike Hermans

Keeley Neutrino Envelope Filter Auto Wah Pedal Review - Sweetwater Sound

Sweetwater

Keeley Neutrino Envelope Filter V2

Mike Hermans

Keeley Neutrino V2 Envelope Filter Pedal Demo

Sweetwater

Keeley Electronics - Neutrino Envelope Filter V2

Keeley Electronics

Keeley Neutrino Envelope Filter Guitar Effects Pedal

Swee Lee

Keeley Electronics Neutrino Envelope Filter / Auto Wah

Pedal of the Day

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Keeley Neutrino.

Features and functionality

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The Keeley Neutrino V2's sensitivity to input level affects consistency across strings, making it challenging to dial in a uniform response.
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The Neutrino has a volume output control that is a screw on the side, complicating adjustments when switching guitars.
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A knob to control the speed of the envelope would enhance its playability, encouraging users to adjust their picking style for varied responses.
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Comparisons

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Users find the EQD Spatial Delivery more user-friendly and versatile than the Neutrino, with easier access to desirable sounds without finicky adjustments.
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The Source Audio Spectrum and HX Stomp are highlighted as more versatile alternatives, offering broader sound customization and consistent triggering compared to the Neutrino.
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The Lovepedal Rubber Chicken is considered a worthy alternative to the Neutrino, with owners expressing interest in side-by-side comparisons.
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User experience

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Owners often struggle to achieve desired tones with the Neutrino, frequently describing the output as either too subtle or overly resonant.
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Running the Neutrino after overdrive pedals makes it easier to achieve the wah effect without aggressive string picking.
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The Neutrino helped spark interest in Keeley products due to its unique offerings despite some inconvenient design choices.
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The Neutrino encourages players to engage actively, making users feel like they are "playing" the pedal through varied picking dynamics.
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Use cases and applications

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The Neutrino V2 is noted for its dependence on signal strength, requiring precise input to achieve the signature fat envelope filter sound.
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Preferred for Grateful Dead and Jerry Garcia tones, avoiding the complexity of powering a Qtron+.
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The Neutrino can effectively respond to different pickups and still distinguish transients even when placed after fuzz, whammy, and drive pedals.
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