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Boss PSA-120S 9v Power Supply

9 Volt Pedal Power Supply

The Boss PSA-120S is the official Boss recommended power supply for all Boss compact and twin series pedals and Boss multi effects, and is the industry standard 9V DC negative center pedal power supply that we all know and love. There's not much else to say about it, if you need a dedicated power supply for your Boss or Roland pedal and want only the best, pick up a PSA-120 today. 500mA of total current available.