3 PORT/WAY AUDIO 2 RCA SWITCH BOX - IN/OUT - MANUAL SELECTOR SPLITTER Audio Switch 3 x 2 RCA Input - 1 x 2 RCA Output Ideal for allowing more than one stereo audio device to be plugged into one input on your amplifier. The sources can be selected by pressing the buttons on the front of the audio switch. Nickel plated connectors