TOA U-43R Stereo Input Module with Mute Send - RCA InputsFor unbalanced, line level equipment such as AM FM tuners, tape decks and CD players. Signal at input terminals activates mute bus. Choose from two connector types: dual RCA jacks with passive summing or removable terminal block. The U 43R from TOA Electronics is an input module for 900 series equipment. It accepts unbalanced line level signals from devices such as CD players, tape decks, and AM FM tuners. It has dual RCA jacks for device connection.