This Pedal is discontinued.
auto-wah and envelope filter
The MXR Bass Auto Q is an auto-wah / envelope filter based on the sound of the Cry Baby pedal, this one designed specifically for bass guitar. The Bass Auto Q features adjustable sensitivity and blendable LFO signal.
Ibanez RG350DX
Empirical Labs EL8-X Distressor with
Aguilar Agro Bass Overdrive V2
Dean BW6EBC
Penn Elcom R2293-2
MXR M169 Carbon Copy Analog Delay