The Mooer MAB1 micro ABY is a instrument or amplifier switching pedal and can be used with or without a power supply. Switch between two amps or two guitars. A great accessory to any pedal board and a effects space saver.

A/B/Y Jack: 1/4 monaural jack
Power Requirements: AC adapter 9V DC (center minus plug), can
work with out power (LED doesn’t work)
Dimensions: 93.5mm (D) × 42mm (W) × 52mm (H)
Weight:160g