Side by side comparison and review of Koss UR 23i and Poly Voyager Focus UC B825-M, XS. 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 | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 21 cm | |
| Width | - | 18.6 cm | |
| Depth | - | 11.6 cm | |
| Weight | - | 155 g | |
| Colour | White | Black | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Bluetooth Profiles | - | Advanced Audio Distribution Profile (A2DP) | |
| Active Noise Cancelling | - | Yes | Poly Voyager Focus UC B825-M, XS are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Type | On-cable | Boom |
|---|
| REMOTE CONTROL | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Cable Type | Headphones cable - 1.22 m | Charging cable |
|---|
| FEATURES | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) | |
| Battery Life Details | - | Continuous talk (noise cancelling OFF): up to 12 hours Continuous talk (noise cancelling ON): up to 10 hours Continuous playback (noise cancelling OFF): up to 15 hours Continuous playback (noise cancelling ON): up to 12 hours |
| CONNECTIONS | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | Poly Voyager Focus UC B825-M, XS |
|---|
| Included Accessories | - | Carrying case, Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
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