Detailed comparison and review of Sennheiser HD 820 and Sennheiser HD 400S. 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 820 | Sennheiser HD 400S |
|---|
| Product Type | Headphones - wired | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 360 g | 217 g | Sennheiser HD 400S are lighter than Sennheiser HD 820 headphones. |
| Colour | - | Black | |
| Earpad Material | Microfibre | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 820 | 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 | |
| Noise Isolating | Yes | Yes | Both headphones are equipped with noise isolation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 48000 Hz | 18 - 20000 Hz | Sennheiser HD 820 offer a larger frequency range than Sennheiser HD 400S. |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Sensitivity | 103 dB/Vrms | - | |
| Impedance | 300 Ohm | 18 Ohm | |
| Max Sound Pressure | - | 120 dB |
| MICROPHONE | Sennheiser HD 820 | Sennheiser HD 400S |
|---|
| Type | - | On-cable | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Sennheiser HD 820 | Sennheiser HD 400S |
|---|
| Controls | - | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 820 | Sennheiser HD 400S |
|---|
| Cable Type | Headphones cable - OFC - 3 m | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | |
|---|---|---|---|
| Cable Length | 3 m | 1.4 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | - |
| CONNECTIONS | Sennheiser HD 820 | Sennheiser HD 400S |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 820 | Sennheiser HD 400S |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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