AC to DC 9V 1A US Plugs Power adapter Reverse Polarity Negative For BOSS PSA-120T GUITAR EFFECTS PEDAL PSA120T

Description * Input: 100V~240V , 50~60Hz * Output: DC 9V 1A / 1000mA * DC plug size Outer Diameter: 5.5mm . Inner Diameter: 2.1mm-2.5mm * Cable Length: 100cm +/-1cm * Plug Specifications: US Plug The adapters Connector inside negative(-) outside positive(+) *Reverse Polarity For Electric Guitar Stompbox Power Supply Adapter charger 9 V Volt For Guitar Parts Effect Pedal Board The power supply for voltage requirements for the 8.8v-9.2v range DC Plug: 5.5x2.5 MM Pack:1PCs Power Supply US Plug