SA-1012 Pre Amplifier

1. With 8 independent input and output amplification channels, each channel can adjust the volume
2. One set of microphone inputs, optionally eight sets of outputs, LED indication
3. With eight groups (zones) arbitrary paging function
4. Microphone input with highest priority, forced cut-in priority function
5. When there is an emergency audio signal input, there is an automatic cut-in priority function.

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