NEW never used Snark SA-1 9V DC Power Supply Features: Perfect for any 9-volt guitar pedal Fits all standard DC plugs Provides more consistent tone than battery-powered pedals Back to navigation Tech Specs Type: Snark Pedal Power Supply Input Voltage Range: 100-120V AC, 50-60Hz Output Voltage: 9V DC Output Amps: 400mA Sleeve/Tip Configuration: Sleeve: Positive, Tip/Center: Negative