Omni-directional pre-amplified microphone and power amp / speaker for use in two way surveillance systems. Can be used in stand alone applications or with DVRs and remote monitoring equipment. Optional call switch (not shown) for paging listener. Stainless steel plate mounts flush or on a double gang electrical box.

Connects directly to our switcher / mixer / amplifiers or use one of our many Interface products to make fast and clean connections to DVRs or remote monitoring equipment.

Features:

• Omni-directional 25' pickup pattern
• Low noise MOSFET pre-amplifier.
• Jumper selectable hi-cut/lo-cut filters limit frequency response to up to 900 to 6Khz significantly reducing background noise.
• Jumper selectable volume range: "Line level" (0db) or "Microphone level" (-30db)
• Adjustable gain in both volume ranges.
• Peak limiter: .5s response time
• 500Hz-13Khz Frequency response.
• Line level, 100 Ohm unbalanced output.
• Power: 12Vdc @ 10mA.
• -40C to 105C operating temperature
• Stainless steel "double gang" plate.
• Euro-style connectors make cable terminations fast and clean. 
• Dimensions: L 4.6” W 4.5” H 1.9”

Includes:

• STW1 microphone / speaker
• Mounting screws.
• Warning label.
• Installation instructions.

Wiring requirements:

• 2 each, 2 conductor shielded (with drain wire) 22 gauge stranded. Max cable length 250’.

Options:

• Call switch option: P/N STW1-C