Side by side comparison and review of Sennheiser PXC 550-II and Sennheiser HD 350BT. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser PXC 550-II | Sennheiser HD 350BT |
|---|
| 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 | White | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser PXC 550-II | Sennheiser HD 350BT |
|---|
| 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 | - | Sennheiser PXC 550-II 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 350BT. |
| Total Harmonic Distortion (THD) | <0.5% | <0.3% | Sennheiser HD 350BT have lower total harmonic distortion than Sennheiser PXC 550-II. |
| Sensitivity | 110 dB | - | |
| Impedance | 490 Ohm | - | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 32 mm | - |
| MICROPHONE | Sennheiser PXC 550-II | Sennheiser HD 350BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Frequency Response | 50 - 10000 Hz | 80 - 6000 Hz | Sennheiser PXC 550-II offer a larger microphone frequency range than Sennheiser HD 350BT. |
| Sensitivity | -34 dBV/Pascal | - | |
| Microphones Included | 3 | 2 | Sennheiser PXC 550-II have a built-in microphone. |
| REMOTE CONTROL | Sennheiser PXC 550-II | Sennheiser HD 350BT |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser PXC 550-II | Sennheiser HD 350BT |
|---|
| Cable Type | USB charge cable Audio cable |
USB-C charge cable - detachable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Sennheiser HD 350BT |
|---|
| 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 350BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 300 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 350BT recharge faster than Sennheiser PXC 550-II. |
| CONNECTIONS | Sennheiser PXC 550-II | Sennheiser HD 350BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
- |
|---|
| OTHERS | Sennheiser PXC 550-II | Sennheiser HD 350BT |
|---|
| Included Accessories | Carrying case, airplane adapter | - | |
|---|---|---|---|
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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