ROLLS MX42 4 x 1 Passive Stereo Mixer

The MX42 is a four channel stereo passive (requiring no power) mixer. The unit mixes up to four stereo RCA signals such as CD or cassette players with VCR units, even computer sound cards or MP3 players. All signals are mixed via stereo 100K ohm potentiomenters to stereo RCA output connectors.