Keeley Neutrino Envelope Filter/Auto Wah Pedal

Envelope Filter and Auto-wah Pedal for Guitar, Bass, and Keyboards
Keeley Neutrino Envelope Filter/Auto Wah Pedal image 1
Keeley Neutrino Envelope Filter/Auto Wah Pedal image 1
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Keeley Neutrino Envelope Filter/Auto Wah Pedal
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This Envelope Filter/Auto-wah Pedal's a Trip

The Keeley Neutrino envelope filter and auto-wah pedal is a trip. It gives you a dynamic wah effect that's based on your pick attack. The harder you pick, the harder it "wahs"! Robert Keeley likens this unique stompbox to having "Jerry Garcia in a bottle," and at Sweetwater, we concur. With the Neutrino on your pedalboard, you've got everything from quacky psychedelic leads to soulful vowel sounds to disco chord stabs. Talk about eclectic! The Keeley Neutrino is in its element warping your guitar signal, but it can also add its inimitable funk to bass and keyboards.

Keeley Neutrino Envelope Filter/Auto-wah Pedal Features at a Glance:
  • Classic opto-coupler design imparts a rich and warm depth to the effect
  • Gain control sets the input level
  • Peak control takes you from deep, rounded warmth to shinning brilliance
  • Filter Selector lets you choose between 3 types of filters to carve out different tones and timbers
  • Range Switch adjusts what frequencies are being stressed
  • Side-mounted Direction Switch allows you to control in which direction the wah sound goes
Create a wall of lushly filtered tones with the Keeley Neutrino!

Additional Media

Keeley Neutrino Envelope Filter Auto Wah Pedal Review

Tech Specs

Pedal Type Envelope Filter/Wah
Inputs 1 x 1/4"
Outputs 1 x 1/4"
Power Source 9V DC power supply (sold separately)
Manufacturer Part Number KNEUT

Customer Reviews

4/5
Based on 6 reviews
Write your review
5/5

Quality

This is a super organic sounding envelope pedal. If you want something to replace a wah wah, I would look elsewhere. The Boss auto-wah is great for that. If you want funky 70's guitar tone, or that Jerry Garcia lead thing, this is your pedal. Like all of Keeley's stuff, the quality is top notch, and it comes through in the tone. Take time to learn how to integrate it into your rig, and you will really love this thing.
5/5

Awesome

For me it's awesome, I always wanted a auto filter that WASNT Suttle. This is also an extremely versitile filter and super easy to use in the size of an mxr pedal. Also you don't need a fancy power supply to make it work. It responds to your volume knob on your guitar a lot. Actually so much so that if you hit a chord/note than roll your volume knob up and down before the note decays you can trigger the filter and make it "wah wah" exactly like a tradition wah wah pedal would do.
4.5/5

take me to funky town!

This is one of those pedals you'll probably never need, but will always want. You can get some real funky sounds out of it. There's a video on youtube with a guy playing a strat 90% of the video, and it sold me immediately. I don't like having to sweep my foot to use a normal wah, and they take up a lot of space on a board. I wanted something to eliminate that but still have a wah. This does that for the most part, but it's tricky getting certain tones out of it. Great pedal, but it takes time to learn. At the end of the day, I'm glad I got it.
3.5/5

Just OK Wah

I bought this pedal based on Mike Hermans excellent demo on YouTube! The initial Wah sound he attained was great. However, the Neutrino doesn't sound like that for me. This pedal is one-dimensional, with a lot of unusable settings. What I wanted was a touch Wah. This is an envelope filter. Obviously, they are related. But the Wah factor is not present, enough, for me. In all fairness, I need to work with the Neutrino to achieve the Wah sound I want!
Music background: professional guitarist
3/5

Pretty good

With the low pass, lo switch and a low peak setting, I was going for a Jerry Mu-Tron tone. It doesn't produce the effect for a couple seconds after turning it on, it's got a much lower wet/dry mix and it doesn't trigger everywhere on the neck. It gets much more pronounced the higher you set it tone wise. If you're going for Jerry, I'd look elsewhere. If you're going for a quacky, funk tone, go for it.
Music background: Played and recorded for 17 years
See also: Bass Effects, Keeley, Keeley Bass Guitar Pedals & Effects, Keeley Wahs and Filters