Side by side comparison and review of Poly Voyager 4220 (Office Series) and Poly Savi 8240-M D2. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly Voyager 4220 (Office Series) | Poly Savi 8240-M D2 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset | |
|---|---|---|---|
| Series | Office Series | - | |
| Weight | 150 g | - | |
| Bluetooth Range (Operating Distance) | 91 m | - |
| SOUND QUALITY | Poly Voyager 4220 (Office Series) | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | On-ear | - | |
|---|---|---|---|
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | - | |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Voyager 4220 (Office Series) | Poly Savi 8240-M D2 |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 (Office Series) | Poly Savi 8240-M D2 |
|---|
| Controls | Mute, volume, answer/end, next/previous track, redial | - |
|---|
| FEATURES | Poly Voyager 4220 (Office Series) | Poly Savi 8240-M D2 |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 (Office Series) | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headset battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
- | |
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | - |
| CONNECTIONS | Poly Voyager 4220 (Office Series) | Poly Savi 8240-M D2 |
|---|
| Connector Type | USB (24 pin USB-C) | - |
|---|
| OTHERS | Poly Voyager 4220 (Office Series) | Poly Savi 8240-M D2 |
|---|
| Software Certification | Certified for Microsoft Teams | - |
|---|
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