SPB-8 is individual regulated and individual hum filtered 8-channel power supply. It has six channels of 9V- fixed voltage outputs, and two channels of adjustable voltage outputs (6V to 12V). This easy- portable unit includes AC adaptor for power supply. AC adaptor included (AC to DC). Specs: Power supply: 15V 1A, Output: 6ch of 9V fixed output (100mA each), 2ch of adjustable output (6~12V, 100mA each), Dimension: 75.5(w) x 115.5(h) x 47.5(d) (mm), Weight: 280g (include battery)