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 potentiometers to stereo RCA output connectors.
4 Stereo RCA Inputs
1 Stereo RCA Output
100K Ohm Potentiometers
Input Impedance: 10K to 47K Ohms
Output Impedance: 2.5K to 10K Ohms
Gain: -12 dB MAX
Dimensions (W x H x D): 3" x 2" x 1.42"
Weight: 1 lb.