In depth comparison and review of Poly Blackwire C225 and August EP650B. 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 | Poly Blackwire C225 | August EP650B |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - NFC - USB, 3.5 mm jack | |
|---|---|---|---|
| Height | - | 17.66 cm | |
| Width | - | 18.86 cm | |
| Depth | - | 7.1 cm | |
| Weight | - | 235 g | |
| Headband Material | Metal | - | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire C225 | August EP650B |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Foldable | - | Yes | August EP650B can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 60 - 20000 Hz | Poly Blackwire C225 offer a larger frequency range than August EP650B. |
| Total Harmonic Distortion (THD) | - | 1% | |
| Diaphragm | - | 50 mm | |
| Signal-To-Noise Ratio | - | 85 dB | |
| Features | SoundGuard Technology | Bluetooth aptX technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C225 | August EP650B |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire C225 | August EP650B |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire C225 | August EP650B |
|---|
| Cable Type | Headset cable | Headphones cable - detachable |
|---|
| BATTERY AND CHARGING | Poly Blackwire C225 | August EP650B |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 220 mAh | |
| Battery Life | - | 10 hour(s) | |
| Standby Time | - | 720 hours | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Poly Blackwire C225 | August EP650B |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) USB |
|---|
| OTHERS | Poly Blackwire C225 | August EP650B |
|---|
| Compatibility | - | iPhone, iPad, iPod, Android phone | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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