Overdrive effector with LEVEL, TONE, GAIN, and GAIN BOOST controls. - Brand: Free The Tone - Product Name: GIGS BOSON - Model Number: GB-1V - Function: Overdrive - Controls: LEVEL, TONE, GAIN, GAIN BOOST - Condition: Used Thank you for viewing. Thank you for viewing. I am selling this to organize my effects board. I was using it until recently, so there are no issues with its operation. The box and instruction manual are not included; this is a sale of the product only. The gain boost switch allows for a wide range of sound creation. It was used by Haruichi Shindo of Porno Graffitti, SUGIZO, and Tomoyasu Hotei, and is now discontinued. 【High-Quality Overdrive】 FREE THE TONE's GIGS BOSON is a high-quality overdrive pedal that enriches guitar sounds. It is particular about sound quality and is supported by professional musicians. 【Versatile Adjustment Functions】 It is equipped with three knobs: LEVEL, TONE, and GAIN, allowing for sound adjustment to your liking. It achieves a wide range of tones and is compatible with various genres. 【Robust Design】 With a sturdy body and easy-to-use switch design, it can be used with confidence in live performances. It has the durability to withstand long hours of playing.