ETS SM7VA 4 Zone Audio / Video Surveillance Kit

4 SM1 Microphones, SM4VA Audio/Video Switcher/Mixer/Amplifier. 4 zone, sequential or manual switching, surveillance system (cameras not supplied). Can be used independently for monitoring live audio/ video with tape recorders recording and playback. Two modes operation: Audio follow mode mixer/ switcher operates switcher.

SM1 Microphone

• Omni-directional element w/25’ range
• Low noise MOSFET pre-amplifier
• Line level, unbalanced output
• Adjustable gain
• Treble boost circuit. Selectable on/off
•  Enhances clarity time lapse recordings
• Limiter on/off
• Easy cable run termination
• Flush surface mountable
• Power: 12 VDC @ 10mA

SM4VA / Mixer

• Sequential dwell: 2-90sec
• Switch each channel to start sequence/hold bypass cameras
• In/out switch level control  microphone channel
• All settings stored in non-volatile memory
• Standard RCA BNC jacks connection recorders, etc
• 1 Watt Power amplifier
• 3” full range speaker
• Tape monitor switch
• 3.5mm Headphone jack
• Power: 350mA