Brand NEW! The Rolls MX42 is a miniature audio mixer with 4 stereo RCA inputs and stereo RCA output. The mixer is capable of mixing signals from CD players, instruments, portable recording devices, video playback devices and more. Passive circuitry allow the MX42 to operate without the need for battery or external power. Level control dials for each channel are located on the front. Input Connections 4 - L/R Stereo RCA Phono Output Connectors Stereo L/R RCA Phono Max Input/Output Gain -12dB MAX Signal-to-Noise Ratio not specified by manufacturer Phantom Power no microphone inputs - not applicable AC Power Requirements Passive - no external power required Dimensions 3 x 2 x 1.43" (WxHxD) Weight 1 lb Packaging Info Package Weight 0.55 lb Box Dimensions (LxWxH) 8.0 x 4.7 x 2.0" - All international buyers are responsible for all tax, duties and/or customs fees.