Side by side comparison and review of Poly Voyager Focus UC B825-M, XS and Sennheiser MOMENTUM 4. 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 | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Product Type | Headset - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired - 2.5 mm jack, USB-C | |
|---|---|---|---|
| Height | 21 cm | 19.5 cm | |
| Width | 18.6 cm | 18 cm | |
| Depth | 11.6 cm | 4.63 cm | |
| Weight | 155 g | 293 g | Poly Voyager Focus UC B825-M, XS are lighter than Poly Voyager Focus UC B825-M, XS headphones. |
| Colour | - | Black | White | |
| Earpad Material | - | Synthetic leather | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Sennheiser MOMENTUM 4 can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Sennheiser MOMENTUM 4 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), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX Adaptive | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | - | 6 - 22000 Hz | |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | - | 106 dB | |
| Impedance | - | 60 Ohm | |
| Diaphragm | - | 42 mm | |
| Features | SoundGuard DIGITAL Technology | Smart Pause, Crystal-clear Calls |
| MICROPHONE | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | MEMS-directional | |
| Noise Cancelling | - | Yes | Sennheiser MOMENTUM 4 microphone can cancel out ambient noise. |
| Frequency Response | - | 50 - 10000 Hz | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Controls | Volume, answer/end, microphone on/mute, play/pause | Volume, play/pause, equaliser preset |
|---|
| CABLE | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Cable Type | Charging cable | Headphones cable - detachable - L shaped / sub-mini phone 2.5 mm 4-pole - 1.2 m USB-C to USB-A cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Features | - | Transparent Hearing mode, auto power on/off | |
|---|---|---|---|
| Sensors | - | Touch sensor | |
| Additional Functions | DSP | Smart Touch Control, USB-C charging port |
| BATTERY AND CHARGING | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | 15 hour(s) | 60 hour(s) | Sennheiser MOMENTUM 4 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 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Connector Type | - | Headphones (sub-mini phone 2.5 mm 4-pole) USB (24 pin USB-C) |
|---|
| OTHERS | Poly Voyager Focus UC B825-M, XS | Sennheiser MOMENTUM 4 |
|---|
| Included Accessories | Carrying case, Bluetooth USB adapter | Carrying case, airplane adapter, headphones cable (1.2 m), USB-C charging cable (1.2m) | |
|---|---|---|---|
| Software Included | - | Sennheiser Smart Control | |
| Software Certification | Certified for Microsoft Teams | - | |
| Compliant Standards | - | Bluetooth Class 1 | |
| TAA Compliant | Yes | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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