Used Keeley Neutrino V2 Envelope Filter Guitar Effects Pedal EHX B9 Direct mode is perfect for

Direct mode is perfect for band practices or experimenting with pedals before you’ve decided how to set your programs

The Wave toggle selects between Sine or Triangle waveforms

Fuzz (distortion amount)

or a compact

Isolation is more than fixing ground loops

Used Keeley Neutrino V2 Envelope Filter Guitar Effects Pedal EHX B9 Direct mode is perfect forMint, all original packaging, as new The Keeley Neutrino V2 is an amazingly toneful and compact form of the classic opto coupler envelope filter. The Neutrino takes your guitar playing and creates an automatic wah sound based on your pick attack! Envelope filters or auto wahs as they are often called, sound and react best when they are opto coupler based. The opto couplers used in the Neutrino are particularly smooth, giving you an amazing vowel like