Choosing between the Poly Studio A2 Table Microphone and the Yealink CM20 Ceiling Microphone? Here's how they differ on room size, platforms, audio and price, and which one fits your room.
Short answer: pick the Poly Studio A2 Table Microphone if you want the one that costs $840 less and also supports Google Meet. Pick the Yealink CM20 Ceiling Microphone if you want the one that runs on a single PoE cable.
Both are expansion microphones for medium rooms to boardrooms; the difference is which systems they pair with and audio.
Side by side
| Poly Studio A2 Table Microphone | Yealink CM20 Ceiling Microphone | |
|---|---|---|
| Price | $339 | $1,179 |
| Platforms | Teams, Zoom and Google Meet | Teams and Zoom |
| Mode | Appliance + USB | Appliance |
| Microphones | — | 16 omnidirectional, 8 beam outputs |
| Power | — | PoE (IEEE 802.3af, Class 3), 9 W rated |
| Dimensions | 92 x 92 x 24 mm | Φ223 x H83 mm (with mesh) |
| Weight | 120 g | 615 g |
| Warranty | 1 year limited | — |
| Connections | — | Network: AES67; 1 x RJ-45 |
Specs are Poly and Yealink's published figures. Prices can change.
The key differences
- Microphones: the Yealink CM20 Ceiling Microphone has 16 omnidirectional, 8 beam outputs; the Poly Studio A2 Table Microphone doesn't list microphones.
- Platforms: the Poly Studio A2 Table Microphone lists Teams, Zoom and Google Meet; the Yealink CM20 Ceiling Microphone lists Teams and Zoom.
- Power: the Poly Studio A2 Table Microphone runs on its host system; the Yealink CM20 Ceiling Microphone on PoE (one network cable).
Which should you buy?
- Choose the Poly Studio A2 Table Microphone if you want the one that costs $840 less and also supports Google Meet. It pairs with the Studio G62, Studio X72, Studio V72 and others. See the Poly Studio A2 Table Microphone
- Choose the Yealink CM20 Ceiling Microphone if you want the one that runs on a single PoE cable. It pairs with the MeetingBar A40, SmartVision 40 and MVC S40. See the Yealink CM20 Ceiling Microphone
Also compared
- AVer 20m Expansion Microphone vs Poly Studio A2 Table Microphone
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- Poly Studio A2 Table Microphone vs Yealink VCM35
- Logitech Rally Mic Pod 2 vs Yealink CM20 Ceiling Microphone
- Logitech Rally Mic Pod vs Yealink CM20 Ceiling Microphone
Still deciding? Read the Poly Studio A2 Table Microphone guide and the Yealink CM20 Ceiling Microphone guide, see Studio A2 Table Microphone alternatives and CM20 Ceiling Microphone alternatives, compare them interactively, or send us your room details for a recommendation.
Related guides
- Poly Studio A2 vs Yealink VCM36-W Wireless: which to buy?
- Poly Studio Table Microphone vs Yealink CM20: which to buy?
- Poly Studio A2 Table Microphone alternatives compared
- AVer 20m Expansion Microphone vs Poly Studio A2
- Poly IP Ceiling Microphone vs Yealink CM20: which to buy?
- Poly Studio A2 Table Microphone vs IP Ceiling Microphone
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