Side by side comparison and review of Sennheiser HD 4.20s 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 | Sennheiser HD 4.20s | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 289 g | |
| Colour | Black | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 100 m |
| SOUND QUALITY | Sennheiser HD 4.20s | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| 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. |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Sensitivity | - | 93 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HD 4.20s | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Controls | 1-button remote | - |
|---|
| CABLE | Sennheiser HD 4.20s | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Cable Type | - | USB charge cable Headphones cable |
|
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 4.20s | 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 | Sennheiser HD 4.20s | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 4.20s | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Included Accessories | - | Travel pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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