http://www.maxonfx.com/compact-series-effects-pedals/db10-dual-booster
Two independent Boost circuits in one compact chassis
Clean channel offers +20 dB of boost with flat frequency response
Vintage channel offers +20 dB of boost with high-end roll off
Separate input/output jacks for each channel
Cascade channels or place a pedal in between them
Works in FX loop or front-end of amp
True Bypass Switching x 2