In depth comparison and review of August EP650 and Poly Blackwire 8225-M. 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 EP650 | Poly Blackwire 8225-M |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Height | 17.66 cm | - | |
| Width | 18.86 cm | - | |
| Depth | 7.1 cm | - | |
| Weight | 235 g | 186 g | Poly Blackwire 8225-M are lighter than August EP650 headphones. |
| Colour | Gold | - | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | August EP650 | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | August EP650 can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 60 - 20000 Hz | 20 - 20000 Hz | Poly Blackwire 8225-M offer a larger frequency range than August EP650. |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | - | 84 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 50 mm | 32 mm | August EP650 have a thicker diaphragm than Poly Blackwire 8225-M. |
| Signal-To-Noise Ratio | 85 dB | - | |
| Features | Bluetooth aptX technology | SoundGuard DIGITAL Technology |
| MICROPHONE | August EP650 | Poly Blackwire 8225-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Noise Cancelling | - | Yes | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | August EP650 | Poly Blackwire 8225-M |
|---|
| Controls | - | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | August EP650 | Poly Blackwire 8225-M |
|---|
| Cable Type | Headphones cable - detachable | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| BATTERY AND CHARGING | August EP650 | Poly Blackwire 8225-M |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 220 mAh | - | |
| Battery Life | 10 hour(s) | - | |
| Standby Time | 720 hours | - | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | August EP650 | Poly Blackwire 8225-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | August EP650 | Poly Blackwire 8225-M |
|---|
| Included Accessories | USB charging cable | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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