In depth comparison and review of Poly Blackwire C225 and Sennheiser ACCENTUM Wireless. 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 | Sennheiser ACCENTUM Wireless |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 222 g | |
| Colour | - | Black | |
| Headband Material | Metal | - | |
| Recommended Use | Portable electronics, computer | - |
| SOUND QUALITY | Poly Blackwire C225 | Sennheiser ACCENTUM Wireless |
|---|
| Headphones Form Factor | On-ear | Full size binaural | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX HD, mSBC, CVSD | |
| Active Noise Cancelling | - | Yes | Sennheiser ACCENTUM Wireless are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 22000 Hz | Sennheiser ACCENTUM Wireless offer a larger frequency range than Poly Blackwire C225. |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | - | 106 dB | |
| Diaphragm | - | 37 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C225 | Sennheiser ACCENTUM Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | 100 - 10000 Hz | 50 - 8000 Hz | Poly Blackwire C225 offer a larger microphone frequency range than Sennheiser ACCENTUM Wireless. |
| REMOTE CONTROL | Poly Blackwire C225 | Sennheiser ACCENTUM Wireless |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire C225 | Sennheiser ACCENTUM Wireless |
|---|
| Cable Type | Headset cable | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Poly Blackwire C225 | Sennheiser ACCENTUM Wireless |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 800 mAh | |
| Battery Life | - | 50 hour(s) | |
| Charging Time | - | 3 hour(s) |
| WIRELESS LINK | Poly Blackwire C225 | Sennheiser ACCENTUM Wireless |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Poly Blackwire C225 | Sennheiser ACCENTUM Wireless |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Poly Blackwire C225 | Sennheiser ACCENTUM Wireless |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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