Detailed comparison and review of Sennheiser HD 300 PROtect and Sennheiser PXC 550-II. 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 HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 17.4 cm | |
| Width | - | 13.6 cm | |
| Depth | - | 6.3 cm | |
| Weight | 297 g | 227 g | Sennheiser PXC 550-II are lighter than Sennheiser HD 300 PROtect headphones. |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Sennheiser PXC 550-II can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | 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 | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 25000 Hz | 17 - 23000 Hz | Sennheiser HD 300 PROtect offer a larger frequency range than Sennheiser PXC 550-II. |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | <0.1% | <0.5% | Sennheiser HD 300 PROtect have lower total harmonic distortion than Sennheiser HD 300 PROtect. |
| Sensitivity | 108 dB | 110 dB | Sennheiser PXC 550-II have higher sensitivity than Sennheiser HD 300 PROtect. |
| Impedance | 64 Ohm | 490 Ohm | |
| Diaphragm | - | 32 mm |
| MICROPHONE | Sennheiser HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Frequency Response | - | 50 - 10000 Hz | |
| Sensitivity | - | -34 dBV/Pascal | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sennheiser HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Controls | - | Mute, volume, answer/end, hold, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Cable Type | Headphones cable - 1.55 m | USB charge cable Audio cable |
|
|---|---|---|---|
| Cable Length | 1.55 m | - | |
| Detachable Cable | - | Yes |
| FEATURES | Sennheiser HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Features | EPOS ActiveGard | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Siri, Google Assistant, Alexa | |
| Additional Functions | - | Touch panel |
| BATTERY AND CHARGING | Sennheiser HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| 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) |
| CONNECTIONS | Sennheiser HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
|---|
| OTHERS | Sennheiser HD 300 PROtect | Sennheiser PXC 550-II |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | Carrying case, airplane adapter | |
|---|---|---|---|
| Compliant Standards | - | MFI | |
| Service & Support | - | Limited warranty - 2 years |
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