Yealink CM20 – AI-Powered Beamforming Ceiling Microphone

The Yealink CM20 is a premium ceiling-mounted microphone designed to deliver exceptional audio clarity in professional conference settings. Featuring an advanced array of 16 omnidirectional microphones, it captures sound in 360°, ensuring every participant is heard clearly. With integrated Digital Signal Processing (DSP), the CM20 offers plug-and-play functionality with Yealink MVC systems, eliminating the need for external audio processing. Its sleek 80mm low-profile design and detachable magnetic cover ensure seamless integration and aesthetic appeal, while facilitating effortless deployment and maintaining the integrity of the ceiling. 

Specifications:

• Microphone Array:

  • 16 omnidirectional microphones

  • 8 independent pickup zones 

• Audio Performance:

  • Frequency Response: 120Hz–16kHz

  • Maximum Sound Pressure Level (SPL): 122 dB

  • Signal-to-Noise Ratio: 86 dB @ <1% THD

  • Sensitivity: 0 dBV/Pa @ 94 dBSPL @ 1kHz

  • Acoustic Echo Cancellation (AEC) Channel: 1 internal channel

• Coverage:

  • High-quality full-duplex audio capture radius: 3.2 meters (STIPA 0.78)

  • Effective coverage radius: up to 4.5 meters (STIPA 0.72)

  • Optimal deployment height: 2.8 meters

• Intelligent Features:

  • AI Dynamic Noise Reduction

  • AI Reverberation Suppression

  • 8 beam outputs for precise speaker tracking

  • Integration with room cameras for enhanced tracking 

• Connectivity:

  • 1 x RJ-45 port

  • Power over Ethernet (PoE) IEEE 802.3af, Class 3

  • Supports AES67 protocol for audio network integration

• Physical Characteristics:

  • Dimensions (with mesh cover): Φ223 x H83 mm

  • Dimensions (without mesh cover): Φ215 x H81 mm

  • Weight: 615 g

  • Color: Pearl Light Gray

  • Materials: ABS+PC & iron mesh

  • Operating Temperature: 0°C to 50°C

  • Storage Temperature: 0°C to 70°C

  • Operating Humidity: 5%–90%

  • Typical Power Consumption: 5.7 W

  • Rated Power Consumption: 9 W

  • Plenum Rated UL 2043 (suitable for air handling spaces)

• Installation Options:

  • In-ceiling mount

  • On-ceiling mount

  • Pendant mount

  • Cable suspension

• Package Contents:

  • CM20 Microphone

  • White Mesh Cover (Black Optional)

  • Quick Start Guide

  • Assembly Fixing Bracket

  • Dust Cover

  • Bracing Bridge × 1 pair

  • Bracing Bridge Screws × 20 (M3 × 6)

  • Machine Screws × 5 (3 × 6)

  • Expansion Bolts × 6 (φ6 × 30 mm, white, Polyamide)

  • Self-tapping Screws × 6 (T4 × 30 mm)