Side by side comparison and review of Sennheiser HD 300 PRO and Sennheiser PXC 550-II. 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 HD 300 PRO | 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 PRO headphones. |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 300 PRO | 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 | Sennheiser PXC 550-II are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 25000 Hz | 17 - 23000 Hz | Sennheiser HD 300 PRO 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 PRO have lower total harmonic distortion than Sennheiser HD 300 PRO. |
| Sensitivity | 108 dB | 110 dB | Sennheiser PXC 550-II have higher sensitivity than Sennheiser HD 300 PRO. |
| Impedance | 64 Ohm | 490 Ohm | |
| Max Sound Pressure | 123 dB | - | |
| Diaphragm | - | 32 mm |
| MICROPHONE | Sennheiser HD 300 PRO | 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 PRO | Sennheiser PXC 550-II |
|---|
| Controls | - | Mute, volume, answer/end, hold, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 300 PRO | 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 PRO | Sennheiser PXC 550-II |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant, Alexa | |
| Additional Functions | - | Touch panel |
| BATTERY AND CHARGING | Sennheiser HD 300 PRO | 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 PRO | 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 PRO | 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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