Four input channels , Ch. 1 and 2 have dual L/R RCA inputs, with Ch. 3 you have a choice of one 1/4" or dual L/R RCA inputs and Ch 4 has a 1/4" unbalanced input.
Four Level controls, one for each channel
Dual mono RCA Output connectors
1/4" Line Out/mono Headphone output jack
Active preamplification and mixing circuitry
Input Impedance: 10K ohms unbalanced (all inputs)
Ch. 1/2/3 and 4 Input Gains: 32dB/26dB/26dB and 26dB