In depth comparison and review of Sennheiser HD 458BT and Poly SupraPlus NC. 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 SupraPlus NC |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Weight | 238 g | - | |
| Colour | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 458BT | Poly SupraPlus NC |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 458BT can be folded. |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | 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 | - | Sennheiser HD 458BT are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | - | |
| Max Sound Pressure | 108 dB | - | |
| Features | Voice control | - |
| MICROPHONE | Sennheiser HD 458BT | Poly SupraPlus NC |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Frequency Response | 80 - 6000 Hz | - |
| CABLE | Sennheiser HD 458BT | Poly SupraPlus NC |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable - detachable |
- |
|---|
| BATTERY AND CHARGING | Sennheiser HD 458BT | Poly SupraPlus NC |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 600 mAh | - | |
| Battery Life | 30 hours | - | |
| Charging Time | 2 hours | - |
| OTHERS | Sennheiser HD 458BT | Poly SupraPlus NC |
|---|
| Included Accessories | Carrying case | Monitor receiver | |
|---|---|---|---|
| TAA Compliant | - | Yes |
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