IP55 weather resistant, high performance, omni-directional pre- amplified microphone. For use in outdoor applications and can withstand exposure to various weather conditions. Built in limiter circuit automatically lowers the output level during loud sound intervals. Selectable lo-cut and hi-cut filters significantly reduce background noise. Includes a removable .5 inch wind screen inserted into a directing tube. Cast Aluminum plate mounts on any flat surface or on a single gang “bell box”, gasket included.

Features:

• Omni-directional 25' pickup pattern
• Low noise MOSFET pre-amplifier.
• 500Hz-16Khz Frequency response.
• Switch selectable hi-cut/lo-cut filters limit frequency response to up to 900 to 6Khz significantly reducing background noise.
• Switch selectable volume range: "Line level" (0db) or "Microphone level" (-30db)
• Adjustable gain in both volume ranges.
• Internal peak limiter circuit (.5 sec response)
• 100 Ohm, unbalanced output.
• Directing tube with removable .5 inch removeable windscreen.
• 3 position terminal block
• Power: 12 to 24VDC @ 10mA.
• On-board voltage regulator and RFI filtering.
• Operatng temperature range: -40C to 85C
• S/N ratio: more than 60DB
• Sensitivity –45DB
• IP55 rated
• Conformal coated circuit board.
• Cast Aluminum plate mounts on any flat surface or on a single gang “bell box”, gasket included.
• Dimensions: L 4.6” W 2.8” H 2.3”
• Weight 0.12lbs

Includes:

• SM1-W microphone.
• Gasket and screws
• Warning label.
• Installation instructions.

Options:

• See Pre-amplifier board selection guide for alternate pre-amplifier form factors.
• Add –LN to P/N for ultra low noise (80db) and high sensitivity (–28db) microphone capsule
• WS-1 external windscreen