Boss EV-30 Dual Expression Pedal - (Pre-Owned) Multi FX it works well with bass

it works well with bass

which provides more of the warm and gutsy growl that defines the coveted Ampeg tone

set it high to get that thick

with looks like that you'd hope so

>160 mA max

Boss EV-30 Dual Expression Pedal - (Pre-Owned) Multi FX it works well with bassA very tidy example of the very capable Boss EV 30 Dual Expression Pedal. The EV 30 Pedal from Boss is a Dual Expression control pedal perfect for guitarists with limited space on their pedalboard. The pedals internal mechanism provides particularly smooth and precise parameter control, so important for an expression pedal. There are two expression outputs, allowing you to connect to two devices simultaneously.