Amazon.com: ClearOne Ceiling Microphone Array kit, White (910-001-014-W) : Electronics
Ceiling Microphone array-White "Primary". Includes 2ft/60cm drop cable, electronics Interface, wall plate with 10ft/3m and 50ft/15m plenum cable, RJ45(F)/Walta(M). For RealPresence Group, HDX and SoundStructure. See Extension for additional arrays.
Shure Introduces MXA920: The New Standard in Ceiling Array Microphones - Shure USA
Polycom Ceiling Microphone White Primary Kit P/N 2200-23809-002 | eBay