Side by side comparison and review of Poly Blackwire 325-M and Poly - Plantronics Backbeat Pro 2 SE. 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 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 289 g | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 100 m |
| SOUND QUALITY | Poly Blackwire 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | Poly - Plantronics Backbeat Pro 2 SE are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 93 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Cable Type | Headset cable - 2.13 m | USB charge cable Headphones cable |
|
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 680 mAh | |
| Battery Life | - | 24 hour(s) | |
| Standby Time | - | 4380 hours | |
| Charging Time | - | 3 hours |
| CONNECTIONS | Poly Blackwire 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire 325-M | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Included Accessories | - | Travel pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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