This product can be called microphone preamplifier, and also preamplifier for sale.
10 inputs (5 MIC inputs, 3 AUX inputs, 2 EMC inputs) and 2 outputs
MIC1 in front panel with highest priority for convenient use
Each AUX & Mic input with individual volume control
3 priority input levels: MIC 1 > EMC1&2 > other audio inputs
2 tones control for Bass & Treble