| ETS SM17 complete 16 zone, manual switching, audio surveillance system with built in speaker. Can be used independently for monitoring live audio or with tape recorders for recording and playback. Two modes of operation: Switcher (select one of eight zones) or mixer (select any combination of zones).
Product Details: - 16 SM1 Pre-amplified microphones.
- SM16 Switcher / mixer / amplifier.
- 12 VDC AC adapter.
- 3’ Dual RCA Patch cable.
- Warning label.
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