SCR-DI AC 9V Power Supply is finely designed to reduce the intrinsic noises. The adapter has a system of protection against overload, overheating, short circuit and power surges. The connector is designed for a large number of connections. The adapter is characterized by high reliability and durability. It is enclosed in a sturdy shockproof housing and designed for a long period of the roughest use at rehearsals, concerts, and tours.