Detailed comparison and review of Sennheiser HD 400S and EPOS I SENNHEISER ADAPT 261. 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 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Weight | 217 g | 120.7 g | EPOS I SENNHEISER ADAPT 261 are lighter than Sennheiser HD 400S headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | Sennheiser HD 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 400S can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 20000 Hz | 20 - 20000 Hz | Sennheiser HD 400S offer a larger frequency range than EPOS I SENNHEISER ADAPT 261. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | 120 dB | 118 dB | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser HD 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Frequency Response | 100 - 10000 Hz | 100 - 8000 Hz | Sennheiser HD 400S offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 261. |
| REMOTE CONTROL | Sennheiser HD 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser HD 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Sennheiser HD 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 27 hour(s) |
| CONNECTIONS | Sennheiser HD 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser HD 400S | EPOS I SENNHEISER ADAPT 261 |
|---|
| Included Accessories | - | USB-C adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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