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BMA CT – Patented Ceiling Tile Beamforming Mic Array with a Superior Architecture

The BMA CT features a 2×10 Watt into 8-Ohm built-in power amplifier. Each mic array drives two loudspeakers for added convenience.

With built-in acoustic echo cancellation, noise cancellation, and beam selection, this ceiling tile microphone array eliminates the need for per-beam processing in a DSP mixer — requiring fewer DSP mixer resources.


Daisy chain ceiling tiles via P-Link for larger conference setups – for simpler wiring and longer distances compared to networked “home run” connections. Use P-Link to daisy chain additional peripherals such as wireless mics, USB Expanders, and GPIO Expanders.


Ceiling tiles and peripherals can be P-Linked with zero consumption of analog I/O and signal processing in the DSP mixer leaving those resources available for other needs.



Each ceiling tile microphone array supports long distance P-Link mode with 650 feet (200 meters) between tiles, for a total cable reach of 1950 feet (600 meters).


Integrated features can significantly reduce system design complexity, simplify installation, streamline configuration and programming, consume less rack space, and lower cost.


Adaptive steering (think of it as smart switching) – no need to adjust individual beams – for impeccable room coverage.


Supports three different ceiling grid types: 24-inch for US, 600 mm, and 625 mm for international.



  • Audio Conferencing
  • Video Conferencing



  • Boardrooms
  • Conference rooms
  • Training centers
  • Lecture halls
  • Courtrooms
  • Telemedicine facilities