9v dc power supply is compatible with most guitar effects pedals and some keyboards with 9V DC center negative power input, its high-quality materials and professional technology means less noise interference, giving you the clear tone you’re aiming for.

Our 9v dc power supply has 4.92 ft (1.50 M) cord length to give you ample room to setup;

5.5mm X 2.1mm barrel connector is suitable for electronic guitar effects pedal and some keyboards.