Detailed comparison and review of Sennheiser PXC 550-II and Lenovo ThinkPad X1. 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 | Lenovo ThinkPad X1 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 17.4 cm | - | |
| Width | 13.6 cm | - | |
| Depth | 6.3 cm | - | |
| Weight | 227 g | 195 g | Lenovo ThinkPad X1 are lighter than Sennheiser PXC 550-II headphones. |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser PXC 550-II | Lenovo ThinkPad X1 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| 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 5.0 | 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), 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, mSBC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) / Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | Sennheiser PXC 550-II offer a larger frequency range than Lenovo ThinkPad X1. |
| Max Input Power | - | 30 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 110 dB | 111 dB | Lenovo ThinkPad X1 have higher sensitivity than Sennheiser PXC 550-II. |
| Impedance | 490 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | Lenovo ThinkPad X1 have a thicker diaphragm than Sennheiser PXC 550-II. |
| Dynamic Range | - | 110 dB | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Lenovo ThinkPad X1 have the ability to connect to multiple devices simultaneously. |
| MICROPHONE | Sennheiser PXC 550-II | Lenovo ThinkPad X1 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Lenovo ThinkPad X1 microphone can cancel out ambient noise. |
| Frequency Response | 50 - 10000 Hz | 50 - 8000 Hz | Sennheiser PXC 550-II offer a larger microphone frequency range than Lenovo ThinkPad X1. |
| Sensitivity | -34 dBV/Pascal | - | |
| Dynamic Range | - | 95 dB | |
| Signal-To-Noise Ratio | - | 19 dB | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Sennheiser PXC 550-II | Lenovo ThinkPad X1 |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser PXC 550-II | Lenovo ThinkPad X1 |
|---|
| Cable Type | USB charge cable Audio cable |
USB-C to USB-A cable - 1.3 m USB-C cable - 1.3 m |
|
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser PXC 550-II | Lenovo ThinkPad X1 |
|---|
| Internet of Things (IoT) Compatible | Yes | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | Lenovo ThinkPad X1 |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 30 hour(s) | 20 hours | Sennheiser PXC 550-II lasts longer on a single charge than the Lenovo ThinkPad X1. |
| Battery Life Details | Continuous playback (noise cancelling ON / cable connection): up to 30 hours Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours |
(noise cancelling OFF): up to 20 hours Continuous playback: up to 15 hours |
|
| Charging Time | 3 hour(s) | 2 hours | Lenovo ThinkPad X1 recharge faster than Sennheiser PXC 550-II. |
| CONNECTIONS | Sennheiser PXC 550-II | Lenovo ThinkPad X1 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
Headphones (24 pin USB-C) |
|---|
| OTHERS | Sennheiser PXC 550-II | Lenovo ThinkPad X1 |
|---|
| Included Accessories | Carrying case, airplane adapter | Carrying case | |
|---|---|---|---|
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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