In depth comparison and review of Sennheiser PXC 550-II and Sennheiser HD 250BT. 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 250BT |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 17.4 cm | - | |
| Width | 13.6 cm | - | |
| Depth | 6.3 cm | - | |
| Weight | 227 g | 125 g | Sennheiser HD 250BT are lighter than Sennheiser PXC 550-II headphones. |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser PXC 550-II | Sennheiser HD 250BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Sennheiser PXC 550-II 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 | - | Sennheiser PXC 550-II are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Sennheiser HD 250BT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 20 - 22000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Sennheiser HD 250BT. |
| Total Harmonic Distortion (THD) | <0.5% | <0.3% | Sennheiser HD 250BT have lower total harmonic distortion than Sennheiser PXC 550-II. |
| Sensitivity | 110 dB | 110 dB | Both headphones offer the same sensitivity. |
| Impedance | 490 Ohm | - | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Features | - | Audio prompts |
| MICROPHONE | Sennheiser PXC 550-II | Sennheiser HD 250BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 50 - 10000 Hz | 100 - 10000 Hz | Sennheiser PXC 550-II offer a larger microphone frequency range than Sennheiser HD 250BT. |
| Sensitivity | -34 dBV/Pascal | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | Sennheiser HD 250BT |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | Volume, on/off, answer/end, hold, play/pause, next/previous track, reject call |
|---|
| CABLE | Sennheiser PXC 550-II | Sennheiser HD 250BT |
|---|
| Cable Type | USB charge cable Audio cable |
USB-C charge cable - detachable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Sennheiser HD 250BT |
|---|
| 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 250BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 190 mAh | |
| Battery Life | 30 hour(s) | 25 hour(s) | Sennheiser PXC 550-II lasts longer on a single charge than the Sennheiser HD 250BT. |
| 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) | 3 hour(s) | The charging of both headphones last the same time. |
| CONNECTIONS | Sennheiser PXC 550-II | Sennheiser HD 250BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
- |
|---|
| OTHERS | Sennheiser PXC 550-II | Sennheiser HD 250BT |
|---|
| Included Accessories | Carrying case, airplane adapter | USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, Android phone | |
| Compliant Standards | MFI | Bluetooth Class 1 | |
| Service & Support | Limited warranty - 2 years | - |
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