CIOKS 4 — isolated power supply (expander) for pedalboards. 4 fully isolated, independent outputs. - 4 isolated sections — no more hum or ground loops - Each output switchable by DIP: 9V / 12V / 15V - Inputs: 5V USB-C, 9–24V DC and 9–12V AC — powers from almost anything - Compact metal chassis, designed to mount under a pedalboard - Original PSU and flex cables included CIOKS is among the best in pedal power — the difference vs a cheap daisy-chain is audible. Truly isolated, not a shared ground. Fully working, excellent condition. Ships from Valencia, Spain.