Side by side comparison and review of August EP650B and Poly Voyager Surround 80 UC. 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 | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, 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 | Computer | |
| Bluetooth Range (Operating Distance) | 10 m | 30 m | Poly Voyager Surround 80 UC have a greater operating distance than August EP650B. |
| SOUND QUALITY | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Foldable | Yes | - | August EP650B can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.3 | Poly Voyager Surround 80 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) | |
| Active Noise Cancelling | - | Yes | Poly Voyager Surround 80 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Active Noise Cancellation | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 60 - 20000 Hz | 20 - 20000 Hz | Poly Voyager Surround 80 UC offer a larger frequency range than August EP650B. |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | - | 132 dB | |
| Diaphragm | 50 mm | 40 mm | August EP650B have a thicker diaphragm than Poly Voyager Surround 80 UC. |
| Signal-To-Noise Ratio | 85 dB | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Surround 80 UC have the ability to connect to multiple devices simultaneously. |
| Features | Bluetooth aptX technology | SoundGuard DIGITAL Technology |
| MICROPHONE | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 100 - 6800 Hz | |
| Sensitivity | - | -37 dB | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Controls | - | Mute, volume, power on/off, play/pause, next/previous track, pair mode, Microsoft Teams button |
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| CABLE | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Cable Type | Headphones cable - detachable | USB-C charge cable - detachable USB-C to mini-phone 3.5 mm cable - detachable USB-C to USB-A adapter - detachable |
|---|
| FEATURES | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Features | - | In-call LED indicator, touch control, Smart Sensor Technology |
|---|
| BATTERY AND CHARGING | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 220 mAh | 1100 mAh | Poly Voyager Surround 80 UC have a higher battery capacity than August EP650B. |
| Battery Life | 10 hour(s) | 24 hours | Poly Voyager Surround 80 UC lasts longer on a single charge than the August EP650B. |
| Battery Life Details | - | Continuous talk: up to 21 hours Continuous playback: up to 24 hours Continuous talk (with 15 min charge): up to 10 hours |
|
| Standby Time | 720 hours | 21 days | August EP650B have longer standby time than Poly Voyager Surround 80 UC. |
| Charging Time | 2 hour(s) | 1 hour(s) | Poly Voyager Surround 80 UC recharge faster than August EP650B. |
| CONNECTIONS | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB |
Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | August EP650B | Poly Voyager Surround 80 UC |
|---|
| Included Accessories | - | Carrying case, 3.5 mm to USB-C cable, USB-C to USB-A adapter, BT700 Bluetooth USB-C adapter, USB-C charge cable | |
|---|---|---|---|
| Software Included | - | Poly Lens | |
| Compatibility | iPhone, iPad, iPod, Android phone | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams, Certified for Microsoft Teams Open Office | |
| Supported Host Device OS | - | macOS, Android, iOS, Windows |
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