In depth comparison and review of Sennheiser HD 458BT and EPOS I SENNHEISER C20. 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 | EPOS I SENNHEISER C20 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | - | C-series | |
| Height | - | 20 cm | |
| Width | - | 16.5 cm | |
| Depth | - | 5.8 cm | |
| Weight | 238 g | 200 g | EPOS I SENNHEISER C20 are lighter than Sennheiser HD 458BT headphones. |
| Colour | Black | Black | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 458BT | EPOS I SENNHEISER C20 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 458BT can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 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 | Stereo | |
| Frequency Response | 18 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.3% | 3% | Sennheiser HD 458BT have lower total harmonic distortion than Sennheiser HD 458BT. |
| Max Sound Pressure | 108 dB | - | |
| Features | Voice control | EPOS BrainAdapt Technology |
| MICROPHONE | Sennheiser HD 458BT | EPOS I SENNHEISER C20 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | 80 - 6000 Hz | - |
| CABLE | Sennheiser HD 458BT | EPOS I SENNHEISER C20 |
|---|
| Cable Type | Audio cable - detachable USB-C charge cable - detachable |
- |
|---|
| BATTERY AND CHARGING | Sennheiser HD 458BT | EPOS I SENNHEISER C20 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 600 mAh | - | |
| Battery Life | 30 hours | - | |
| Standby Time | - | 300 hours | |
| Charging Time | 2 hours | 2 hour(s) | The charging of both headphones last the same time. |
| OTHERS | Sennheiser HD 458BT | EPOS I SENNHEISER C20 |
|---|
| Included Accessories | Carrying case | Carrying case, charging cable, BTD 800 USB dongle | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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