Detailed comparison and review of Poly Blackwire 325-M and Sennheiser ACCENTUM Wireless. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly Blackwire 325-M | Sennheiser ACCENTUM Wireless |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 222 g | |
| Colour | - | Black | |
| Headband Material | Metal | - |
| SOUND QUALITY | Poly Blackwire 325-M | 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 325-M. |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | - | 106 dB | |
| Diaphragm | - | 37 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Sennheiser ACCENTUM Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | 100 - 10000 Hz | 50 - 8000 Hz | Poly Blackwire 325-M offer a larger microphone frequency range than Sennheiser ACCENTUM Wireless. |
| REMOTE CONTROL | Poly Blackwire 325-M | Sennheiser ACCENTUM Wireless |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 325-M | Sennheiser ACCENTUM Wireless |
|---|
| Cable Type | Headset cable - 2.13 m | USB-C charge cable - detachable | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | Sennheiser ACCENTUM Wireless |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | 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 325-M | Sennheiser ACCENTUM Wireless |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Poly Blackwire 325-M | Sennheiser ACCENTUM Wireless |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
- |
|---|
| OTHERS | Poly Blackwire 325-M | Sennheiser ACCENTUM Wireless |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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