Side by side comparison and review of Poly - Plantronics Backbeat Pro 2 SE and beyerdynamic DT 990 PRO. 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 - Plantronics Backbeat Pro 2 SE | beyerdynamic DT 990 PRO |
|---|
| Product Type | Headphones - Bluetooth - wireless - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 289 g | 250 g | beyerdynamic DT 990 PRO are lighter than Poly - Plantronics Backbeat Pro 2 SE headphones. |
| Colour | - | Black | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 100 m | - |
| SOUND QUALITY | Poly - Plantronics Backbeat Pro 2 SE | beyerdynamic DT 990 PRO |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Open | |
| Connectivity Technology | Wireless | Wired | |
| 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 | 5 - 35000 Hz | beyerdynamic DT 990 PRO offer a larger frequency range than Poly - Plantronics Backbeat Pro 2 SE. |
| Max Input Power | - | 100 mW | |
| Total Harmonic Distortion (THD) | - | 0.2% | |
| Sensitivity | 93 dB | 96 dB | beyerdynamic DT 990 PRO have higher sensitivity than Poly - Plantronics Backbeat Pro 2 SE. |
| Impedance | 32 Ohm | 250 Ohm | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Poly - Plantronics Backbeat Pro 2 SE | beyerdynamic DT 990 PRO |
|---|
| Form Factor | Built-in | - |
|---|
| CABLE | Poly - Plantronics Backbeat Pro 2 SE | beyerdynamic DT 990 PRO |
|---|
| Cable Type | USB charge cable Headphones cable |
Headphones cable - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat Pro 2 SE | beyerdynamic DT 990 PRO |
|---|
| 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 - Plantronics Backbeat Pro 2 SE | beyerdynamic DT 990 PRO |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone 3.5mm) |
|---|
| OTHERS | Poly - Plantronics Backbeat Pro 2 SE | beyerdynamic DT 990 PRO |
|---|
| Included Accessories | Travel pouch | 6.3 mm (1/4") stereo adapter |
|---|
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