Side by side comparison and review of Poly Blackwire 3325 and Sennheiser ACCENTUM Wireless. 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 | Poly Blackwire 3325 | Sennheiser ACCENTUM Wireless |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 3300 Series | - | |
| Height | 18.6 cm | - | |
| Width | 21.6 cm | - | |
| Depth | 5.6 cm | - | |
| Weight | 130 g | 222 g | Poly Blackwire 3325 are lighter than Poly Blackwire 3325 headphones. |
| Colour | - | Black | |
| Earpad Material | Leatherette | - | |
| Protection | Hearing protection | - |
| SOUND QUALITY | Poly Blackwire 3325 | Sennheiser ACCENTUM Wireless |
|---|
| Headphones Form Factor | On-ear | Full size binaural | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | Yes | 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 3325. |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | 94 dB | 106 dB | Sennheiser ACCENTUM Wireless have higher sensitivity than Poly Blackwire 3325. |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | 37 mm | Sennheiser ACCENTUM Wireless have a thicker diaphragm than Poly Blackwire 3325. |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3325 | Sennheiser ACCENTUM Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Beamforming | |
| Noise Cancelling | Yes | - | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 50 - 8000 Hz | Poly Blackwire 3325 offer a larger microphone frequency range than Sennheiser ACCENTUM Wireless. |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Poly Blackwire 3325 | Sennheiser ACCENTUM Wireless |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 3325 | Sennheiser ACCENTUM Wireless |
|---|
| Cable Type | Headset cable | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Poly Blackwire 3325 | 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 3325 | Sennheiser ACCENTUM Wireless |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Poly Blackwire 3325 | Sennheiser ACCENTUM Wireless |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
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|---|
| OTHERS | Poly Blackwire 3325 | Sennheiser ACCENTUM Wireless |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | Limited warranty - 2 years | - |
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