CEILING / SURFACE SPEAKER The M3 (available in two colors, white and gray) is an innovative, tri-element pendant microphone system designed for applications where aesthetics, sound quality, isolation from ambient noise and ease of use installation are critical. The M3W is an ideal audio capture solution for video conference rooms, education companies with large auditoriums or classes that are recorded or taught remotely, including courts or surgical operating rooms. The M3 incorporates three phase-coherent hypercardioid capsules with their tailored frequency response optimized for speech intelligibility achieved by minimizing frequencies caused by noise, vibration, paperwork, keystrokes, fans, and air conditioning / heating. . Low noise preamp for maximum noise-free signal and studio-quality sound. High quality silicone jacketed microphone cable isolates the balanced signal and is very stylish. Electronics are hidden above the ceiling in a metal plenum box and connections are made via an RJ45 connector embedded within a proprietary brass casing for a hermetic seal. The M3 can be connected to the input of a mixing console or DSP via a separate cable (always). The connection cable consists of a female RJ45 connector that ends in any of the three XLR type connectors or terminal blocks. CAT7 shielded cables of different optional sizes. Installation of the M3 requires drilling a single 5/8 inch hole in the ceiling, with no additional tools required. Mounting the M3 is easily accomplished by hanging cable up to four feet from the ceiling surface and without removing the ceiling tiles. incorporates seismic safety wire.

http://www.audixusa.com/docs_12/specs_pdf/M3_v2_0516.pdf