The Bit Mixer is a small, high-quality mixer designed for pedalboards. It features ultra-low distortion, low noise op amps. High-impedance inputs are designed for guitar, but work with line level signals as well. Each input has a volume knob that goes from off to unity gain. Only 4.4” x 2.6”, and works with standard pedal power supplies from 9-18 V. Designed and assembled in USA.