This product is the best pre amp, and also can be called high end audio pre amplifier.
6 zones output, with individual zone switch and master switch
100V speaker output for long distance transfer
2 MIC inputs, Mic 1 with priority and muting function
3 AUX line input & 1 AUX line output for power extension
Each AUX & Mic input with individual volume control
Bass & Treble tone control for better sound quality control