Detailed comparison and review of Sennheiser PXC 550-II and Soundcore Space Q45. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Height | 17.4 cm | 19 cm | |
| Width | 13.6 cm | 16.1 cm | |
| Depth | 6.3 cm | 8.8 cm | |
| Weight | 227 g | 292 g | Sennheiser PXC 550-II are lighter than Sennheiser PXC 550-II headphones. |
| Colour | - | Black | |
| Body Material | - | PC/ABS | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 15 m | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.3 | Soundcore Space Q45 have a more advanced version of Bluetooth than Sennheiser PXC 550-II. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Leadership Development and Advisory Council (LDAC) | |
| Bluetooth Audio Codec | SBC, AAC, aptX, apt-X LL | SBC, AAC, LDAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Active Noise Cancellation | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Soundcore Space Q45. |
| Total Harmonic Distortion (THD) | <0.5% | 3% | Sennheiser PXC 550-II have lower total harmonic distortion than Sennheiser PXC 550-II. |
| Sensitivity | 110 dB | - | |
| Impedance | 490 Ohm | 16 Ohm | |
| Max Sound Pressure | - | 93 dB | |
| Diaphragm | 32 mm | 40 mm | Soundcore Space Q45 have a thicker diaphragm than Sennheiser PXC 550-II. |
| Magnet Material | - | Ceramic |
| MICROPHONE | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 50 - 10000 Hz | 20 - 8000 Hz | Sennheiser PXC 550-II offer a larger microphone frequency range than Soundcore Space Q45. |
| Sensitivity | -34 dBV/Pascal | -36 dB | |
| Signal-To-Noise Ratio | - | 65 dB | |
| Microphones Included | 3 | 2 | Sennheiser PXC 550-II have a built-in microphone. |
| REMOTE CONTROL | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | Volume, play/pause, next/previous track, call |
|---|
| CABLE | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Cable Type | USB charge cable Audio cable |
USB-C charge cable - detachable - 60 cm Audio cable - detachable - 60 cm |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Features | - | Fast charge, Multipoint Pairing, LED indicator | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headphone battery lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 750 mAh | |
| Battery Life | 30 hour(s) | 65 hour(s) | Soundcore Space Q45 lasts longer on a single charge than the Sennheiser PXC 550-II. |
| Battery Life Details | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
Continuous playback (noise cancelling ON): up to 50 hours Continuous playback (noise cancelling OFF): up to 65 hours Continuous playback (with 5 min charge): up to 4 hours |
|
| Charging Time | 3 hour(s) | 2 hour(s) | Soundcore Space Q45 recharge faster than Sennheiser PXC 550-II. |
| CONNECTIONS | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
- |
|---|
| OTHERS | Sennheiser PXC 550-II | Soundcore Space Q45 |
|---|
| Included Accessories | Carrying case, airplane adapter | Carrying case, audio cable, USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | MFI | SGS | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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