Side by side comparison and review of Sennheiser HD 300 PROtect and Sennheiser HD 400S. 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 PROtect | Sennheiser HD 400S |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 297 g | 217 g | Sennheiser HD 400S are lighter than Sennheiser HD 300 PROtect headphones. |
| Colour | - | Black | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 300 PROtect | Sennheiser HD 400S |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | - | Yes | Sennheiser HD 400S can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Sennheiser HD 300 PROtect are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 25000 Hz | 18 - 20000 Hz | Sennheiser HD 300 PROtect offer a larger frequency range than Sennheiser HD 400S. |
| 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 | - | |
| Impedance | 64 Ohm | 18 Ohm | |
| Max Sound Pressure | - | 120 dB |
| MICROPHONE | Sennheiser HD 300 PROtect | Sennheiser HD 400S |
|---|
| Type | - | On-cable | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Sennheiser HD 300 PROtect | Sennheiser HD 400S |
|---|
| Controls | - | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 300 PROtect | Sennheiser HD 400S |
|---|
| Cable Type | Headphones cable - 1.55 m | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | |
|---|---|---|---|
| Cable Length | 1.55 m | 1.4 m | |
| Detachable Cable | - | Yes |
| FEATURES | Sennheiser HD 300 PROtect | Sennheiser HD 400S |
|---|
| Features | EPOS ActiveGard | - |
|---|
| CONNECTIONS | Sennheiser HD 300 PROtect | Sennheiser HD 400S |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 300 PROtect | Sennheiser HD 400S |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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