Side by side comparison and review of Poly Blackwire 3325 and Bose QuietComfort 45. 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 | Bose QuietComfort 45 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 3300 Series | - | |
| Height | 18.6 cm | 18.4 cm | |
| Width | 21.6 cm | 15.2 cm | |
| Depth | 5.6 cm | 7.62 cm | |
| Weight | 130 g | 241 g | Poly Blackwire 3325 are lighter than Poly Blackwire 3325 headphones. |
| Dimensions & Weight Details | - | Case: 14.5 cm x 5.08 cm x 21.1 cm / 188 g | |
| Colour | - | Black | Smoke white | Triple black | |
| Earpad Material | Leatherette | - | |
| Protection | Hearing protection | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 9 m |
| SOUND QUALITY | Poly Blackwire 3325 | Bose QuietComfort 45 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.1 | |
| Active Noise Cancelling | - | Yes | Bose QuietComfort 45 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Acoustic Noise Cancelling | |
| Noise Isolating | - | Yes | Bose QuietComfort 45 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | - | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3325 | Bose QuietComfort 45 |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Poly Blackwire 3325 | Bose QuietComfort 45 |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 3325 | Bose QuietComfort 45 |
|---|
| Cable Type | Headset cable | USB-C to USB-A cable - detachable - 30 cm |
|---|
| BATTERY AND CHARGING | Poly Blackwire 3325 | Bose QuietComfort 45 |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 460 mAh | |
| Battery Life | - | 24 hour(s) | |
| Charging Time | - | 2.5 hour(s) |
| CONNECTIONS | Poly Blackwire 3325 | Bose QuietComfort 45 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
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|---|
| OTHERS | Poly Blackwire 3325 | Bose QuietComfort 45 |
|---|
| Included Accessories | Carrying pouch | Carrying case | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | Limited warranty - 2 years | - |
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