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. Surface mount white plastic enclosure for residential applications.

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.

Features:

General:

• -40C to 105C operating temperature
• Surface mount white ABS plastic
• Max 250' cable run
• Euro-style connectors make cable terminations fast and clean.
• Dimensions: L 4.6” W 4.5” H 1.9”
• Weight: 0.45lbs

STW1-W4 Microphone 

• 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.
• On-board voltage regulator and RFI filtering.

STW1-W4 Speaker

• 4” Mylar speaker.
• line level (0dbm) or 70v line selectable signal input.
• Adjustable volume.
• Selectable input impedance: 10K Ohm or 1K Ohm
• Selectable volume range 0db or -10db.
• 500Hz-5Khz frequency response.
• 2 Watts RMS power amplifier
• Power: 12VDC @ 250mA.
• On-board voltage regulator.

Includes:

• STW1-W4 microphone / speaker
• Mounting screws.
• Warning label.
• Installation instructions.

Wiring requirements:

• 2 each, 2 conductor shielded (with drain wire) 22 gauge stranded. Max cable length 1500’.

Options:

• Call switch option: P/N STW1-W4C