Tested and confirmed to be working. Unused. A compressor pedal from ROWIN, boasting high cost performance. It features smooth attack and release. It can maintain the original sound signal as much as possible. Simple operability allows for intuitive sound creation. ■Specs Input: 1/4" mono jack Output: 1/4" mono jack Power: AC adapter 9V DC (center negative) Current consumption: 13mA Size: 95mm (D) × 53mm (W) × 53mm (H) ※ Batteries cannot be used. Type...Electric Guitar