Guitar Pedal X - GPX Blog - 15 Notable Overdrive Pedals with Clean Blend Control
Amazon.com: Sondery Boost Pedal for Electric Guitar and Bass, Mini Clean Booster Effect Pedal, True Bypass, More or Less 14dB Change for Frequencies Under 250Hz or Above 1KHz, Art Design Foot Pedal :
Electro-Harmonix The Mole Bass Booster Pedal | Reverb
Ibanez BTMINI Compact Mini Booster Pedal w/ Bass and Treble EQ Knobs
MXR M133 Micro Amp Guitar or Bass Boost Effect Pedal
Ashdown Compact Two Band Bass Boost Effects Pedal Silver and Red | Musician's Friend