Detailed comparison and review of Koss UR 23i and Poly - Plantronics Backbeat Pro 2 SE. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Koss UR 23i | 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 | White | Black | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 100 m |
| SOUND QUALITY | Koss UR 23i | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Headphones Form Factor | Full size | 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 | 94 dB | 93 dB | Koss UR 23i have higher sensitivity than Poly - Plantronics Backbeat Pro 2 SE. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Koss UR 23i | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| CABLE | Koss UR 23i | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Cable Type | Headphones cable - 1.22 m | USB charge cable Headphones cable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | 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 | Koss UR 23i | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Koss UR 23i | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Included Accessories | - | Travel pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
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