In depth comparison and review of Sennheiser HD 458BT and Poly Voyager Focus 2-M. 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 | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless, wired - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 18.2 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 6.7 cm | |
| Weight | 238 g | 176 g | Poly Voyager Focus 2-M are lighter than Sennheiser HD 458BT headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 50 m |
| SOUND QUALITY | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Sennheiser HD 458BT can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.1 | Poly Voyager Focus 2-M have a more advanced version of Bluetooth than Sennheiser HD 458BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | 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. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 458BT offer a larger frequency range than Poly Voyager Focus 2-M. |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 32 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Focus 2-M have the ability to connect to multiple devices simultaneously. |
| Features | Voice control | Dynamic EQ optimised |
| MICROPHONE | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | 80 - 6000 Hz | 100 - 6800 Hz | Poly Voyager Focus 2-M offer a larger microphone frequency range than Sennheiser HD 458BT. |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Controls | - | Mute, volume, power on/off, answer/end, ANC mode |
|---|
| CABLE | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable - detachable |
Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | - | 1.5 m |
| FEATURES | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Additional Functions | - | SoundGuard DIGITAL |
|---|
| BATTERY AND CHARGING | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 600 mAh | 560 mAh | Sennheiser HD 458BT have a higher battery capacity than Poly Voyager Focus 2-M. |
| Battery Life | 30 hours | 40 hours | Poly Voyager Focus 2-M lasts longer on a single charge than the Sennheiser HD 458BT. |
| Battery Life Details | - | Continuous talk (noise cancelling ON): up to 16 hours Continuous talk (noise cancelling OFF): up to 18 hours Continuous hearing (noise cancelling ON): up to 24 hours Continuous hearing (noise cancelling OFF): up to 40 hours |
|
| Standby Time | - | 30 days | |
| Charging Time | 2 hours | 2 hours | The charging of both headphones last the same time. |
| CONNECTIONS | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 458BT | Poly Voyager Focus 2-M |
|---|
| Included Accessories | Carrying case | Charging stand, charging cable, travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Compatible Software | - | Microsoft Teams | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Service & Support | - | Limited warranty - 2 years |
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