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 The JOYO ZGP is a wide-range voltage input power supply filter, specially designed for isolating a power supply's hum and noise to make your pedals sound cleaner and only give you the signal you actually want! It is well known that power supply hum and noise are insufferable to guitarists ..

The JOYO ZGP-W or JP-06 is a compact USB power supply and filter, specially designed as a USB power supply for effects pedals. It can change your 5v mobile phone charger, computer USB port, or power bank into a guitar effect pedal power supply instantly.The ZGP can be installed on effects pedals ..