This item is a junk item with a non-functional jog dial. Suitable for parts. Sound output is not a problem. Initialized. Multi-function guitar effects processor GT-5, equipped with various effects such as delay and reverb. - Model: GT-5 - Type: Guitar Effects Processor - Functions: Delay, Chorus, Wah, Loop, Reverb, Preamp - Settings: Echo, EQ, Master Volume - Display: LCD Display - Foot Switch: 5 foot switches - Connection Terminals: Stereo Output, Headphone Output No claims, no returns. Thank you for viewing. Type... Electric Guitar Manufacturer... BOSS