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ETS Zone Audio Surveillance Kit - 4 Zone

$293.63
Available Options
Part #: SM7
Vendor: ETS
SKU: ETS-SM7
Barcode: SM7
ETS 4-zone audio surveillance kit with white wall-mounted speakers, black control unit, power supply, and remote control
ETS Zone Audio Surveillance Kit - 4 Zone
$293.63

The ETS SM7 4 Zone Audio Surveillance Kit is a complete 4 zone, manual switching, audio surveillance system with built in speaker and headphone jack. The SM7 can be used independently for monitoring live audio or with tape recorders and DVRs for recording and playback. It features two modes of operation: Switcher (select one of four zones) or mixer (select any combination of zones).

The ETS SM7 4 Zone Audio Surveillance Kit Includes: 4ea SM1 microphone, SM8 Base station, Mounting screws (SM1), 4ea Warning label, 1ea AC adaptor, 1ea 3' twin RCA patch cable, and installation instructions.

Wiring Requirements: Stranded 22-gauge, 2-conductor shielded cable with drain wire

Maximum Cable Length: 1500 feet

Includes: (1) SM7 4 Zone Audio Surveillance Kit


SM1 Microphone Specifications:



  • Omni-directional Electret element

  • 25’ range in all directions

  • Frequency response: 200-16Khz

  • Low noise MOSFET pre-amplifier

  • Line level, unbalanced output

  • Adjustable gain

  • Treble boost circuit. Selectable on/off

  • Enhances clarity of time lapse recordings

  • Limiter circuit - Selectable on/off

  • 3 position Euro-style connector makes cable termination fast and clean

  • Flush mountable. Can be mounted on a single gang electrical box 

  • Power: 12 VDC @ 10mA


SM4 Switcher / Mixer Specifications:  



  • In/out switches and level controls for each microphone channel

  • Standard RCA jacks for connection to tape recorders, DVRs, etc.

  • All settings stored in non-volatile memory

  • 1 Watt power amplifier & 3” speaker

  • Euro-style connectors make cable terminations fast and clean

  • Tape monitor switch

  • 3.5mm Headphone jack

  • Power: 12 VDC @ 250mA

  • Dimensions: L 5.5 x W 5.5 x H 1.5   


Part#: SM7

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