Side by side comparison and review of Sennheiser HMD 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 HMD 300 PRO | Sennheiser PXC 550-II |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 17.4 cm | |
| Width | - | 13.6 cm | |
| Depth | - | 6.3 cm | |
| Weight | 319 g | 227 g | Sennheiser PXC 550-II are lighter than Sennheiser HMD 300 PRO headphones. |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HMD 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 | Yes | Both headphones 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 | 60 - 25000 Hz | 17 - 23000 Hz | Sennheiser HMD 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 HMD 300 PRO have lower total harmonic distortion than Sennheiser HMD 300 PRO. |
| Sensitivity | 108 dB | 110 dB | Sennheiser PXC 550-II have higher sensitivity than Sennheiser HMD 300 PRO. |
| Impedance | 64 Ohm | 490 Ohm | |
| Max Sound Pressure | 123 dB | - | |
| Diaphragm | - | 32 mm |
| MICROPHONE | Sennheiser HMD 300 PRO | Sennheiser PXC 550-II |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | Dynamic | - | |
| Microphone Operation Mode | Hypercardioid | - | |
| Frequency Response | 80 - 16000 Hz | 50 - 10000 Hz | Sennheiser HMD 300 PRO offer a larger microphone frequency range than Sennheiser PXC 550-II. |
| Sensitivity | 0.4 mV/Pascal | -34 dBV/Pascal | |
| Impedance | 300 Ohm | - | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sennheiser HMD 300 PRO | Sennheiser PXC 550-II |
|---|
| Controls | - | Mute, volume, answer/end, hold, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HMD 300 PRO | Sennheiser PXC 550-II |
|---|
| Cable Type | - | USB charge cable Audio cable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Sennheiser HMD 300 PRO | 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 HMD 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 HMD 300 PRO | Sennheiser PXC 550-II |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) USB (micro-USB) |
|---|
| OTHERS | Sennheiser HMD 300 PRO | Sennheiser PXC 550-II |
|---|
| Included Accessories | Wind screen | Carrying case, airplane adapter | |
|---|---|---|---|
| Compliant Standards | - | MFI | |
| Service & Support | - | Limited warranty - 2 years |
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