Tech 21 BST-O Boost Overdrive

Putting an overdrive pedal in front of a hard-pushed amp has been the secret weapon for generations of guitarists wanting to punch up the midrange and add sustain. The Boost Overdrive is packed with voluminous amounts of screamin' tone. Just hit the Boost switch to go bigger and badder. The unique SPARKLE control adds upper harmonics for an open, snappy sound.