This switch mode power supply is suitable for any product that requires 9v at 2a with a negative centre polarity. This PSU is also suitable for the Subzero range of micro guitar pedals. Note – picture may vary from product received. Features/Specifications Input Voltage: 100-240V Input Hz: 50-60Hz Output Voltage: 9V Output Current: 2A DC Polarity: Negative Centre Connector Width: 4.5 mm Music is for everyone so we’re making it easier for you to start playing. Backed by our years of professional experience the Gear4music range gives you access to a vast collection of instruments audio gear and accessories. Produced ethically and responsibly theyre suitable for every musical interest while meeting the expectations of a caring world. There’s never been a better time to start making music.