360° Full-Room Coverage: 8-Mic array speaker, 19ft pickup range, each additional CPE40 expansion microphone can increase the sound reception range by 215 sq.ft. (6-people) AI Noise Cancellation: Yealink ai noise cancel 2.0 removes keyboard clicks, AC hum, echoes, and so on 95% of noise distractions for crystal-clear conference calls to. Studio-Quality Audio for Hybrid Meetings: 122dB full-range speaker, voices sound natural, not tinny. (100Hz-20kHz frequency response，48KHz sampling rate) Full-duplex Comference Call: speak and listen simultaneously on multiple UC platforms such as Zoom/Teams, Zero-lag. Daisy-chain：Powered by Yealink CP50. Support 3 units Yealink CPE40 expansion mics, is an ideal for boardrooms conference speaker and microphone system. To chain 4+ units, purchase the yealink 48V/2A adapter to CP50. (up expandable to 7) Plug & Play: Connect to CP50 via ethernet cable for extended use with laptops (Windows 10+/macOS 13+/Chrome OS). CP50 has bluetooth function and can be seamlessly paired with iOS/Android devices. Physical mute button with status LED, office speaker essential. Package Includes: Yealink CPE40 speaker with mic ×1；3m Cat5 Ethernet Cable ×1；Quick Start Guide ×1 ; Cable Tie ×1 ; Cable Organizer Cover ×1; Screws ×1 . Military-grade durability – aluminum casing withstands daily office wear. Yealink CPE40 Professional Conference Speaker and Microphone: An Expansion Microphone for CP50 Engineering Excellence Since 2001: Yealink, a global leader in enterprise communication, empowers over 1 million businesses worldwide with cutting-edge audio solutions. Born from 20+ years of R&D expertise, the CPE40 combines military-grade engineering with user-centric design – trusted by Fortune 500 IT teams and remote workers alike. Product Overview: Why CPE40 Stands Out Smart 360° Conference Room Microphone. 8-Mic Array with 19.69ft pickup range, eliminating "dead zones" in rooms up to 20㎡. AI NoiseCancel 2.0 removes 95% of distractions (keyboards, AC hum, echoes). Full-Duplex Conference Speaker and Microphone. 122dB SPL high-fidelity sound with 100Hz-20kHz frequency response. 71.8dB SNR (industry average: 65dB) ensures crystal-clear conference call speaker and microphone quality. Enterprise-level flexibility. Connect to CP50 via ethernet cable for extended use with laptops (Windows 10+/macOS 13+/Chrome OS), plug and play. CP50 has Bluetooth function and can be seamlessly paired with iOS/Android devices. Secure & Scalable. Physical mute button with status LED (office speaker essential). Daisy-chain 3 units (expandable to 7*) for large spaces. User Story: How CP50 Transformed Acme Corp ""As an IT manager, I struggled with our old computer speaker with microphone – distant voices got lost, and echoes ruined critical negotiations. After deploying Yealink CP50 + CPE40 conference room microphone systems. Meeting Efficiency ↑40%: AI noise cancellation let remote teams hear every detail. Cost Savings: Replaced 3 separate devices (mic and speaker portable + USB hub + cables) with one system. IT Happiness: USB speaker setup took <3 minutes – no drivers needed!""* – John K., IT Director @ Acme Corp Key Notes for Best Performance Power Requirements：Powered by Yealink cp50. To chain 4+ units, purchase the Yealink 48V/2A adapter to CP50. Package Includes: Yealink CPE40 speaker with mic ×1；3m Cat5 Ethernet Cable ×1；Quick Start Guide