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Kit Includes:
The Yealink CMKit-121 is a comprehensive package designed as the core setup for the Yealink audio ceiling solution. It includes the CM20 ceiling microphone, a pair of CS10 ceiling speakers, and an RCH40 E2 switch.
Ideal for standard-sized medium to large conference rooms (5m x 8m), one CMKit-121 provides complete coverage. For extra-large conference rooms (6m x 10m), two packages can be combined to extend coverage. Each package functions as an independent audio unit, guaranteeing secure and stable audio experience.
The CM20 boasts 16 omnidirectional microphone units, ensuring crystal-clear audio across 8 independent pickup zones.
It covers up to a 4m radius with high-quality full-duplex audio capture within 3m, perfect for medium to large spaces. Its internal EQ tuning highlights human vocals for exceptional clarity. Additionally, the CS10 is optimized with a sound profile tailored for video conferencing, focusing on mid-range frequencies to enhance voice clarity.
Together, these features deliver superior audio performance for various applications.
By incorporating AI Dynamic Noise Reduction and AI Reverberation Suppression, CM20 guarantees prestige audio quality during every meeting. It effortlessly adjusts to the ambient conditions of the room, effectively minimizing noise and echo. With its integrated DSP, each CM20 seamlessly integrates into Yealink MVC systems, eliminating the need for an additional DSP device and delivering exceptional meeting experiences.
Ensure every participant hears clearly with Yealink CMKit-121's superior audio performance and extensive coverage. Perfectly tailored for large and extra-large conference rooms, it sets the stage for seamless communication and impactful discussions.
Yealink's deployment tool offers limitless combinations. Easily create your personalized heat map and find what’s the best audio ceiling solutions to suit the specific needs of your room. https://design-tools.ymcs.yealink.com/control-deploy-tool/
We offer a 2 year warranty on this product from its date of purchase. For more information regarding our support, repair and warranty, please download our Warranty Guide here.
CM20 Microphone
White Mesh Cover (Black Optional)
Quick Start Guide
Assembly Fixing Bracket
Dust Cover
Length-Adjustable Pole (Optional)
Bracing Bridge × 1 pair
Suspend Pole Adapter (Optional)
Expansion Bolt × 6 (φ6 × 30 mm, white, Polyamide)
Self-tapping Screw × 6 (T4 × 30mm)
Machine Screw × 5 (3 × 6PMOZN3+)
Bracing Bridge Screw × 20 (M3 × 6PWMHOZN3)
Frequency Response: 120Hz-16kHz
Maximum SPL: 122dBSPL
Signal Noise Ratio: 86dB @<1% THD
Sensitivity: 0 dBV/Pa 94dBSPL@1kHZ
Microphone: 16 omni-direction microphone
AEC Channel: 1 channel internal
Operating Temperature: 0-50
Storage Temperature: 0-70
Operating Humidity: 5%~90%
Typical Power: 5.7 W
Rated Power: 9 W
Interface: 1 × RJ-45
Power Supply: PoE (IEEE 802.3af, class 3)
Size:
Φ223 × H83mm (with cover mesh)
Φ215 × H81mm (without cover mesh)
Weight: 615g
Product Color: Pearl Light Gray
Product Materials: ABS+PC&iron mesh
Plenum Rated UL 2043 (suitable for air handling spaces)
CS10 Speaker
Deployment Instruction Template
Bracing Bridge
Dust Cover Screw × 6 (M3 × 4CMHOZN3)
Frequency Response (-6dB): 100-20kHz
Maximum SPL:
Continuous: 99dB @20W 1m
Sensitivity: 88dB@1m 1W
LF: 5.7 inch (145 mm) woofer
HF: 1.1 inch (28 mm) tweeter
Nominal Impedance: 8Ω
Nominal Coverage Angle: 120
Speaker Frequency Response: 100-20kHz
Sensitivity: 88dB
Sound emission angle:120
Maximum Power: 24W
Rated Power: 20W
Total Harmonic Distortion (THD): <1%
Power Supply: PoE+ (IEEE802.3 at class 4)
294*H125.8mm (with cover mesh
287.2*H125mm (without cover mesh)
Weight:
2808g (without cover mesh)
207g (Cover mesh)
Product Color: white/black
Cover Mesh Color: white/black
Product Materials:
Cover Mesh: PC/ABS Welded SPCC
Main Body Shell: PA (Polyamide) with 15% GF
Bottom Shell: aluminum alloy
Cover Plate: PC/ABS and SGCC
Storage Temperature: 0-50
Rated Power: 24 W (Typical power 20 W)
Power Supply: PoE+ (IEEE 802.3at class 4)
Interface: 1 RJ-45