Seymour Duncan Killing Floor High Gain Boost Effect Pedal
Amazon.com: Extreme Distortion Metal Pedal with 3 Band EQ and Low-Mid-High Gain Boost for Electric Guitar Distortion Effect Bypass : Musical Instruments
The Guitar Sanctuary | Carl Martin Effects | PlexiRanger | Treble Booster
BROKEN ARROW v2 - MIDI – Jackson Audio
Guitar Pedal X - GPX Blog - 12 of the Best Mini Boost Pedals for Your Consideration