The RFU-6100 is a wireless Module can make any receiver and speaker combination into a wireless system. The module features a transmitter and receiver which operate using RF. The transmitter connects to the speaker level outputs of an amplifier and the receiver connects to your speakers. The receiver can be placed in the rear of the room, outside in the patio, or in another room. The troubles of running wire around the baseboards of the living room, in the walls ,through the attic are eliminated with the RFU-6100 wireless module. The operating range is up to 100 feet, and with built in noise reduction circuitry and 0-bit mute, the system is quiet when no signal is present.