Side by side comparison and review of Sennheiser HD 579 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 | Sennheiser HD 579 | Poly Voyager Focus UC B825-M, XS |
|---|
| Product Type | Headphones - wired - 3.5 mm jack, 6.35 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | HD 5 | - | |
| Height | - | 21 cm | |
| Width | - | 18.6 cm | |
| Depth | - | 11.6 cm | |
| Weight | - | 155 g | |
| Colour | Silver | - | |
| Recommended Use | Home audio | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser HD 579 | Poly Voyager Focus UC B825-M, XS |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| 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 | 15 - 28000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Impedance | 50 Ohm | - | |
| Max Sound Pressure | 106 dB | - | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | Sennheiser HD 579 | Poly Voyager Focus UC B825-M, XS |
|---|
| Type | - | Boom |
|---|
| REMOTE CONTROL | Sennheiser HD 579 | Poly Voyager Focus UC B825-M, XS |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Sennheiser HD 579 | Poly Voyager Focus UC B825-M, XS |
|---|
| Cable Type | Headphones cable - detachable - straight - 3 m | Charging cable | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 579 | Poly Voyager Focus UC B825-M, XS |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | Sennheiser HD 579 | 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 | Sennheiser HD 579 | Poly Voyager Focus UC B825-M, XS |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
| OTHERS | Sennheiser HD 579 | Poly Voyager Focus UC B825-M, XS |
|---|
| Included Accessories | 6.3 mm to 3.5 mm adapter | Carrying case, Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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