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Yealink A40-031 video bar, matte black rectangular body, dual front lenses, electric privacy cover, mesh grille, wall-mount brackets

Yealink Network Technology Co., Ltd

Yealink Network Technology Co., Ltd A40-031 conferencing device

SKU CH-Y1W4-KZNWM MPN A40-031

All-in-one video bar with dual 48 MP cameras, 120° diagonal view, 6-metre microphone pickup and native MS Teams or Zoom support for 6 to 15 people

  • TypeVideo Conference Device
  • CameraMaximum pixels: 2*48MP pixels Number of preset positions: 9
  • SpecificationDevice Type: Meeting Bar Room Size: Small to Medium Attendee
  • Microphone8 MEMS Microphones: Provides a 6-meter voice pickup range, e
  • SpeakerphoneBuilt-in Stereo Speakers: Deliver high-quality sound for an
  • All-in-one Android video bar for small-to-medium rooms
  • Dual 48MP cameras with 120° diagonal field of view
  • 8 MEMS microphones pick up voices up to 6 metres
  • Built-in stereo speakers deliver full-duplex audio with noise reduction
  • Certified for Microsoft Teams and Zoom with BYOD support

All-in-One Android Collaboration Bar

The Yealink A40-031 is an all-in-one Android video collaboration bar designed for small to medium meeting rooms. It supports MS Teams and Zoom natively and includes BYOD capability for flexible connectivity. The device accommodates six to fifteen attendees and is managed through Yealink web portal and device management platform.

Passive Cooling with 63 dB Signal Ratio

The unit operates without active cooling fans, relying on passive thermal design for silent operation in meeting environments. Camera signal-to-noise ratio exceeds 63 dB, ensuring clean video capture in normal lighting. Power draw remains low during typical conferencing sessions with stereo speaker output.

Dual 48MP Cameras with Electric Privacy Cover

Two 48MP cameras provide 120° diagonal field of view with electronic gimbal and 6x digital zoom across a 1-5 meter depth of field. Electric lens cap delivers physical privacy when meetings end. Eight MEMS microphones capture voice at six meters with optional expansion microphone support for larger spaces. Not suited for rooms exceeding fifteen attendees or deployments requiring HDMI input.

Highlights

  • All-in-one Android video bar for small-to-medium rooms
  • Dual 48MP cameras with 120° diagonal field of view
  • 8 MEMS microphones pick up voices up to 6 metres
  • Built-in stereo speakers deliver full-duplex audio with noise reduction
  • Certified for Microsoft Teams and Zoom with BYOD support

Specifications

BrandYealink
ModelA40-031
TypeVideo Conference Device
CameraMaximum pixels: 2*48MP pixels
Number of preset positions: 9
Electronic gimbal
120° DFOV, 54° VFOV, 110° HFOV
Depth of field: 1-5 meters
6x digital zoom
Maximum resolution: 4K
Maximum frame rate: 60FPS
Video output resolution: 4K60fps, 1080P60fps
Effective focal length: 4.2 mm
Aperture: F/2.2-F/2.4
Supports wide dynamic range
High dynamic range imaging: 10-bit
Supports auto exposure
White balance: ATW/auto/manual
Shutter speed: 10ms-33ms
Minimum illumination: 0.5 lux (daytime), 0.1 lux (nighttime)
Signal-to-noise ratio: >63 dB
Privacy cover: Electric lens cap
Lens calibration
Intellig
SpecificationDevice Type: Meeting Bar
Room Size: Small to Medium
Attendee Amount: 6-15
Support Platform: MS Teams, Zoom
BYOD Support: Yes
Device Management
- Yealink Https Web Portal
- Yealink Device Management Platform
- Yealink Management Cloud Service
- Microsoft Device Management Platform(Microsoft Teams Admin Center/Intune)
- Zoom Device Management
Installation
- Wall mount
- Use TV-Clip Mount
- Place on the desktop
Ports
- 1 x USB2.0 USB-A port
- 1 x USB-C port
- 1 x Ethernet port
- 1 x Yealink VCH port (RJ-45)
- 1 x 3.5mm Line-in & Line-out port
- 1 x Power port
- 1 x Security lock slot
-
Microphone8 MEMS Microphones: Provides a 6-meter voice pickup range, ensuring clear audio capture from participants.
SpeakerphoneBuilt-in Stereo Speakers: Deliver high-quality sound for an immersive audio experience.
Audio Technologies:
Full-Duplex Technology: Allows simultaneous speaking and listening without interruptions.
Intelligent Noise Reduction: Minimizes background noise for clearer conversations.
Support for Expansion Microphones: Can accommodate 2 additional microphones for larger rooms.
Shipping weight7.48 kg
Package size229 × 178 × 51 mm

Questions about this item

How do I mount the Yealink A40-031 and which cable is often missed?

Mount the bar on the wall or TV with the included bracket, then connect the single PoE cable to your network switch; the step most people skip is seating the PoE connector fully until it clicks, otherwise the device powers on but has no network link.

Which parts will need replacement after heavy daily use?

The electric privacy cover cycles each meeting; its motor is rated for years but is the only moving part. The 8 MEMS microphones and stereo speakers are solid-state and do not wear out, so only the cover mechanism may eventually need service.

At what room depth does the camera lose auto-framing accuracy?

The depth of field is specified as 1-5 metres; beyond 5 metres the 2×48 MP cameras cannot reliably run IntelliFocus or Speaker Tracking, so auto-framing degrades first in deeper rooms.

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