In depth comparison and review of Poly Voyager Focus UC B825-M, XS and Sennheiser HD 458BT. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Poly Voyager Focus UC B825-M, XS | Sennheiser HD 458BT |
|---|
| Product Type | Headset - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 21 cm | - | |
| Width | 18.6 cm | - | |
| Depth | 11.6 cm | - | |
| Weight | 155 g | 238 g | Poly Voyager Focus UC B825-M, XS are lighter than Poly Voyager Focus UC B825-M, XS headphones. |
| Colour | - | Black | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager Focus UC B825-M, XS | Sennheiser HD 458BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 458BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Sennheiser HD 458BT have a more advanced version of Bluetooth than Poly Voyager Focus UC B825-M, XS. |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 18 - 22000 Hz | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Max Sound Pressure | - | 108 dB | |
| Features | SoundGuard DIGITAL Technology | Voice control |
| MICROPHONE | Poly Voyager Focus UC B825-M, XS | Sennheiser HD 458BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | - | 80 - 6000 Hz |
| REMOTE CONTROL | Poly Voyager Focus UC B825-M, XS | Sennheiser HD 458BT |
|---|
| Controls | Volume, answer/end, microphone on/mute, play/pause | - |
|---|
| CABLE | Poly Voyager Focus UC B825-M, XS | Sennheiser HD 458BT |
|---|
| Cable Type | Charging cable | Audio cable - detachable USB-C charge cable - detachable |
|---|
| FEATURES | Poly Voyager Focus UC B825-M, XS | Sennheiser HD 458BT |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Voyager Focus UC B825-M, XS | Sennheiser HD 458BT |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | 15 hour(s) | 30 hours | Sennheiser HD 458BT lasts longer on a single charge than the Poly Voyager Focus UC B825-M, XS. |
| 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 |
- | |
| Charging Time | - | 2 hours |
| OTHERS | Poly Voyager Focus UC B825-M, XS | Sennheiser HD 458BT |
|---|
| Included Accessories | Carrying case, Bluetooth USB adapter | Carrying case | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| TAA Compliant | Yes | - | |
| Service & Support | Limited warranty - 2 years | - |
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