[Small & Powerful]:Guitar power supply with 8 Isolated Outputs, include 6 x 9V 100mA, 1 x 9V 500mA, 1 x 9V/12V 300mA(9V and 12V are switchable), with 1 x DC 18V input,providing unimpeded music enjouy. [Quiet & Stable]:The pedal power supply is made by quality aluminum alloy material, light and portable. Noise reduction function, low noise gives you a better experience. Direct current increases the stability of the power supply during use. [Short Curcuit Protection]:Each output of the effect pedal power supply has independent short-circuit protection, when one output is short-circuited, other outputs can still work normally without being affected.