Yealink CPE40 Expansion Speakerphone & Microphone

Scale up your meeting space audio performance with the Yealink CPE40 Expansion Speakerphone. Designed to seamlessly pair with the primary Yealink CP50 conference speaker system, the CPE40 integrates an upgraded 8-microphone array, an integrated 4W full-range speaker, and second-generation AI noise cancellation. It ensures that participants down the far ends of medium-to-large boardrooms are heard with total clarity and zero distortion.

Key Features

• 360° Full-Room Audio Coverage: Equipped with an 8-microphone omnidirectional array providing a wide 19.6-foot (6-meter) voice pickup radius.
• Advanced AI Noise Cancellation 2.0: Automatically eliminates up to 95% of room distractions, including keyboard clicks, AC unit humming, echoes, and background rustling.
• Built-in 4W Full-Range Speaker: Delivers crisp, studio-quality voice reproduction and high-volume output (up to 122dB SPL max) for natural communication.
• Zero-Lag Full-Duplex Audio: Supports simultaneous two-way conversations so participants can speak and listen naturally without audio clipping.
• Flexible Daisy-Chain Cascading: Easily link multiple units via standard Ethernet cables, supporting up to 3 units out-of-the-box or expanding further for large collaborative tables.
• Integrated Software-Synced Controls: Features dedicated physical mute and volume adjustment buttons that sync instantly with platform apps like Microsoft Teams and Zoom.

Technical Specifications

Brand / Model	Yealink CPE40 Expansion Speakerphone
Compatible Device	Yealink CP50 Conference Speakerphone (Required master unit)
Microphone Array	8-Microphone Omnidirectional Array (360° Pickup)
Audio Pickup Range	Up to 6 meters (19.69 feet)
Speaker Output	1 × 4W Full-Range Speaker (Max 6W)
Audio Processing	AI Noise Cancel 2.0, Acoustic Echo Cancellation (AEC), Full-Duplex
Ports & Connectivity	2 × RJ45 (Daisy-chain pass-through ports), 1 × USB-C (Debugging)
Power & Cascading	Powered via CP50 over chain cable; Supports cascading multiple units
Dimensions & Weight	151.8 × 151.8 × 75.3 mm | Weight: 0.67 kg

Product Overview & Audio Demonstration

Watch how Yealink's expansion mic setup enhances large boardroom collaboration: