Power Supply: 9V

Buy at www.musicianscart.com Ibanez TS9 Tube Screamer Guitar Effects Pedal,Classic stompbox distortion and overdrive effect,Made in the same factory and with the same parts as the original TS9,Input impedance: 500 Kohms,Output impedance: 10 Kohms,Maximum Output: Level 0dBm,Maximum Gain: + 30dB,Equivaient Input Noise: -100dBm (IHF-A),Power Supply: 9V ,battery or external 9V AC adapter.