3.5mm Mono Plug to 2xRCA Jack Adapter This 3.5mm Mono Plug to 2xRCA Jack Adapter converts two RCA Plugs to single 3.5mm Mono Plug. With its full molded construction, this splitter will split the audio signal without a loss of quality. Black molded plastic construction Nickel-plated contacts Connector 1: 3.5mm Mono Plug Connector 2: 2xRCA Jack Use with PC, stereo, MP3 players External Length / Height: 45mm Body width: 25mm