Overview The Shure Stem Ceiling is a 100-microphone ceiling array with adjustable beamforming for overhead voice capture in conference rooms. Its deep learning neural networks provide advanced DSP processing for clear voice capture from all participants in the room. Key Features 100 built-in microphones: Massive array for precise beamforming Adjustable beam width: Narrow (20°), Medium (45°), Wide (60°) Audio Fencing: Removes sound from outside the configured zone Deep learning DSP: AEC >40 dB, noise cancellation >15 dB, de-reverberation Specifications Microphones: 100 elements, beamforming array Frequency response: 50 Hz – 16 kHz Beam widths: 20° (narrow), 45° (medium), 60° (wide) Connectivity: RJ45 Ethernet (PoE+), USB Type-B Power: PoE+ (802.3at Type 2) Microphone dimensions: 546 mm × 44 mm (21.5" × 1.75") at center Weight: 4.1 kg (9 lb) microphone; 3.4 kg (7.5 lb) ceiling mount Ceiling mount: 597 mm × 597 mm × 32 mm (23.5" × 23.5" × 1.25") In the Box Stem Ceiling microphone array Chandelier suspension kit Square ceiling mount CAT 6 Ethernet cable (4.6 m / 15 ft) USB-A to USB-B cable (3.7 m / 12 ft) Gripple kit