Shipping Dimensions:4.5 x 1.5 x 4 in
-Four stereo inputs to one stereo output
-Stereo RCA and 1/8" TRS Stereo high-impedance inputs
-Stereo RCA and 1/8" TRS Stereo high-impedance output
-Battery or AC operationMX44 Pro 4 Channel Stereo Mixer. This unit is designed to mix up to four stereo line-level signals such as smart phones, instruments, CD players, DVD players, MP3 players, laptop computers, etc. to a single stereo output.
-Input Impedance: 10K Ohm
-Output Impedance: 100 Ohm
-Connectors: Input: 4 ea.; RCA and 1/8" (3.5mm) unbal. Output: 1 ea.; RCA and 1/8" (3.5mm) unbal.
-Power: 9V battery, or Rolls PS27s 15VDC adapter (included)
-Current Draw: 15mA no load
-DC Jack: 2.1X5.5 mm Tip Negative
-Signal to noise ratio: 85 dB
-Bandwidth: 20 Hz to 30 Khz