Andoer VITOOS Electric Guitar Effects Power Supply (8 Isolated Outputs 6 Way) Aluminum alloy housing design, low noise and stabilized voltage supply. A lightweight power supply with 1 input jack and 8 output jacks. Six 9V 300mA guitar effects and two adjustable 9V, 12V and 18V 1000mA guitar effects all at once. A and B voltage switch stuck design for avoiding unintentionally rapid switch to protect power supply.Foldback current limiting circuit provides ultimate protection against power shortages and overloads to ensures the stable working condition. Come with totally 8 cables to connect your guitar effects to the power supply, and 1pc of Y cable to boost the voltage. The guitar effects might come out with a different sound by using such a Y cable.