In depth comparison and review of Sennheiser PXC 550-II and Sennheiser HD 458BT. 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 PXC 550-II | Sennheiser HD 458BT |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 17.4 cm | - | |
| Width | 13.6 cm | - | |
| Depth | 6.3 cm | - | |
| Weight | 227 g | 238 g | Sennheiser PXC 550-II are lighter than Sennheiser PXC 550-II headphones. |
| Colour | - | Black | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser PXC 550-II | Sennheiser HD 458BT |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| 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 | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 18 - 22000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Sennheiser HD 458BT. |
| Total Harmonic Distortion (THD) | <0.5% | <0.3% | Sennheiser HD 458BT have lower total harmonic distortion than Sennheiser PXC 550-II. |
| Sensitivity | 110 dB | - | |
| Impedance | 490 Ohm | - | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 32 mm | - | |
| Features | - | Voice control |
| MICROPHONE | Sennheiser PXC 550-II | Sennheiser HD 458BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 50 - 10000 Hz | 80 - 6000 Hz | Sennheiser PXC 550-II offer a larger microphone frequency range than Sennheiser HD 458BT. |
| Sensitivity | -34 dBV/Pascal | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | Sennheiser HD 458BT |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser PXC 550-II | Sennheiser HD 458BT |
|---|
| Cable Type | USB charge cable Audio cable |
Audio cable - detachable USB-C charge cable - detachable |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Sennheiser HD 458BT |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | Sennheiser HD 458BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | 30 hour(s) | 30 hours | Both headphones last the same amount of time on a single charge. |
| Battery Life Details | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
- | |
| Charging Time | 3 hour(s) | 2 hours | Sennheiser HD 458BT recharge faster than Sennheiser PXC 550-II. |
| CONNECTIONS | Sennheiser PXC 550-II | Sennheiser HD 458BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
- |
|---|
| OTHERS | Sennheiser PXC 550-II | Sennheiser HD 458BT |
|---|
| Included Accessories | Carrying case, airplane adapter | Carrying case | |
|---|---|---|---|
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 2 years | - |
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