Side by side comparison and review of Sennheiser PXC 550-II and EPOS I SENNHEISER ADAPT 361. 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 | EPOS I SENNHEISER ADAPT 361 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| 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 | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser PXC 550-II | EPOS I SENNHEISER ADAPT 361 |
|---|
| 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, wired | |
| 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, aptX | |
| 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 EPOS I SENNHEISER ADAPT 361. |
| Total Harmonic Distortion (THD) | <0.5% | <0.3% | EPOS I SENNHEISER ADAPT 361 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 | - | Audio prompts |
| MICROPHONE | Sennheiser PXC 550-II | EPOS I SENNHEISER ADAPT 361 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 361 microphone can cancel out ambient noise. |
| Frequency Response | 50 - 10000 Hz | 80 - 8000 Hz | Sennheiser PXC 550-II offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 361. |
| Sensitivity | -34 dBV/Pascal | - | |
| Microphones Included | 3 | 2 | Sennheiser PXC 550-II have a built-in microphone. |
| REMOTE CONTROL | Sennheiser PXC 550-II | EPOS I SENNHEISER ADAPT 361 |
|---|
| Controls | Mute, volume, answer/end, hold, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser PXC 550-II | EPOS I SENNHEISER ADAPT 361 |
|---|
| Cable Type | USB charge cable Audio cable |
USB-C to micro-USB cable Audio cable |
|
|---|---|---|---|
| Detachable Cable | Yes | Yes |
| FEATURES | Sennheiser PXC 550-II | EPOS I SENNHEISER ADAPT 361 |
|---|
| Features | - | EPOS ActiveGard, Talk-Through | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Intelligent Assistant | Siri, Google Assistant, Alexa | - | |
| Additional Functions | Touch panel | - |
| BATTERY AND CHARGING | Sennheiser PXC 550-II | EPOS I SENNHEISER ADAPT 361 |
|---|
| Battery Type | Headphone battery rechargeable - lithium | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | 30 hour(s) | 46 hour(s) | EPOS I SENNHEISER ADAPT 361 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 OFF): up to 46 hours Continuous talk (noise cancelling OFF): up to 39 hours |
|
| Standby Time | - | 62 days | |
| Charging Time | 3 hour(s) | 2.5 hour(s) | EPOS I SENNHEISER ADAPT 361 recharge faster than Sennheiser PXC 550-II. |
| CONNECTIONS | Sennheiser PXC 550-II | EPOS I SENNHEISER ADAPT 361 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
Audio line-in (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser PXC 550-II | EPOS I SENNHEISER ADAPT 361 |
|---|
| Included Accessories | Carrying case, airplane adapter | Carrying pouch, BTD 800 USB-C dongle | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
| Compliant Standards | MFI | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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