Audix M70 Flush-Mount Ceiling Microphone | Model: M70WDThe M70 flush mount condenser microphone is designed for distance miking, featuring a fully integrated preamp, an extremely high sensitivity rating of 38 millivolts, and a small footprint of only 3 inches in diameter. The M70 microphone capsule is housed within a patented cradle that enables the microphone to be aimed and focused up to an angle of 45 degrees towards the sound source. In addition, the M70 has complete immunity from RF interference