This unit not only combines two line-level signals into one line level output, it also compensates for the 6dB of gain that occurs when two in-phase signals are combined. A handy ground-lift switch breaks the shield connection between the inputs.
Connections are female XLRs in, male XLR out.
Model # - IMCOML
Frequency response:±0.3dB 20Hz-20kHz
Total harmonic distortion + noise: Less than 0.025% at 1kHz
Isolation between inputs: Greater Than 42dB
Insertion loss: -0.6dB, 50 Ohms source impedance -3.8dB, 200 Ohms source impedance
Output level: -3.8dB with both channels at 0dB sine wave input, in phase
Maximum input level: +28dBm
Input impedance: 600 Ohms
Output impedance: Less than 100 Ohms