IMB30 & IMBL30
Boundary Installation Microphones
Boundary microphones designed for permanent installation in ceilings and tabletops for conferencing and other speech applications
True Semisphere™ polar pattern
Low profile design
Available in black, white or stainless finish
Available with LumiComm™ Touch Ring
From $699
- Only 1.4375 inch (3.6cm) in diameter
- Available in black, white or stainless finish
- True Semisphere™ polar pattern
- 30kHz flat frequency response
- More gain before feedback
- Near perfect polar pattern
- Primary applications include teleconferencing, distance learning, surveillance, boardrooms, government facilities, and ambient room miking
Integrated Low Cut Filter Attenuation: -15 dB at 60Hz
Polar Pattern: True Semisphere™
Sensitivity: 60mV/Pa
Power Requirements: 24 – 48V Phantom, 10mA
Max Acoustic Input: 136dB SPL
Output: XLR-3 (pin 2+)
Output Impedance: 65Ω balanced
Min Output Load: 1K between pins 2 & 3
Noise: 20dB SPL (A weighted)
IMBL Light Ring Connector: Phoenix or RJ45
IMBL Light Ring Voltage: 8-28VDC @ 85-170mA
IMBL Light Ring Activation: Momentary Digital Pulse
Microphone Color: Black, White or Stainless Steel
Weight: 0.28 lbs (125g)
IMB30-B 30kHz omni, black finish
IMB30-SS 30kHz omni, stainless steel finish
IMB30-W 30kHz omni, white finish
IMBL30-B 30kHz omni, black finish, red & green LEDs, touch sensor output
IMBL30-SS 30kHz omni, stainless steel finish, red & green LEDs, touch sensor output
IMBL30-W 30kHz omni, white finish, red & green LEDs, touch sensor output
- Conferencing / Installed Sound

- Washer
- Lock Nut
The even frequency response around the mic make mixing for both local reinforcement and VOIP very minimal. These mics are very sensitive and provide a clean signal to the board.