In depth comparison and review of August EP650B and Poly Voyager Surround 80-M UC. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | August EP650B | Poly Voyager Surround 80-M UC |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headset - Bluetooth - wireless - USB-C via Bluetooth adapter | |
|---|---|---|---|
| Series | - | Voyager Surround 80 series | |
| Height | 17.66 cm | 18.1 cm | |
| Width | 18.86 cm | 19.1 cm | |
| Depth | 7.1 cm | 7.7 cm | |
| Weight | 235 g | 275 g | August EP650B are lighter than August EP650B headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | 30 m | Poly Voyager Surround 80-M UC have a greater operating distance than August EP650B. |
| SOUND QUALITY | August EP650B | Poly Voyager Surround 80-M UC |
|---|
| Headphones Form Factor | Full size | Over ear | |
|---|---|---|---|
| Foldable | Yes | - | August EP650B can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.3 | Poly Voyager Surround 80-M UC have a more advanced version of Bluetooth than August EP650B. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Audio/Video Distribution Transport Protocol (AVDTP) | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 60 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | - | 132 dB | |
| Diaphragm | 50 mm | 40 mm | August EP650B have a thicker diaphragm than Poly Voyager Surround 80-M UC. |
| Signal-To-Noise Ratio | 85 dB | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Surround 80-M UC have the ability to connect to multiple devices simultaneously. |
| Features | Bluetooth aptX technology | SoundGuard DIGITAL Technology |
| MICROPHONE | August EP650B | Poly Voyager Surround 80-M UC |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 20 - 16000 Hz | |
| Sensitivity | - | -37 dB | |
| Microphones Included | - | 10 |
| REMOTE CONTROL | August EP650B | Poly Voyager Surround 80-M UC |
|---|
| Controls | - | Volume, power on/off, answer/end, play/pause |
|---|
| CABLE | August EP650B | Poly Voyager Surround 80-M UC |
|---|
| Cable Type | Headphones cable - detachable | - |
|---|
| BATTERY AND CHARGING | August EP650B | Poly Voyager Surround 80-M UC |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 220 mAh | - | |
| Battery Life | 10 hour(s) | 24 hours | Poly Voyager Surround 80-M UC lasts longer on a single charge than the August EP650B. |
| Battery Life Details | - | Continuous playback: up to 24 hours Continuous talk: up to 21 hours |
|
| Standby Time | 720 hours | - | |
| Charging Time | 2 hour(s) | 1 hours | Poly Voyager Surround 80-M UC recharge faster than August EP650B. |
| CONNECTIONS | August EP650B | Poly Voyager Surround 80-M UC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB |
- |
|---|
| OTHERS | August EP650B | Poly Voyager Surround 80-M UC |
|---|
| Included Accessories | - | Carrying case, USB charging cable, USB-C to USB-A adapter, USB-C to audio cable, BT700 Bluetooth USB-C adapter | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Android, iOS, Windows |
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