Boss GKC-AD GK Analog to Digital Converter Lamps you can accurately calibrate EQ

you can accurately calibrate EQ settings to assist with proper speaker placement and level matching through use of the real-time Room Acoustic Analyzer

Super high impact tips come in different shapes to fit any style of play

Explore many tones from crunch to clean with the Gain

Leg construction: socket with foldable legs

Boss GKC-AD GK Analog to Digital Converter Lamps you can accurately calibrate EQThe latest BOSS guitar synthesizer products feature the Serial GK digital interface, a newly developed connection method that delivers evolved performance over the analog 13 pin GK interface used in earlier BOSS and Roland guitar synth and modeling products. The GKC AD GK Converter allows you to drive the Serial GK input on the GM 800 Guitar Synthesizer from a Roland GK 3 or GK 3B Divided Pickup or an instrument equipped with a 13 pin GK output.