Side by side comparison and review of Sennheiser HD 400S and Poly SupraPlus SDS 1031-15. 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 400S | Poly SupraPlus SDS 1031-15 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset | |
|---|---|---|---|
| Weight | 217 g | - | |
| Colour | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 400S | Poly SupraPlus SDS 1031-15 |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | Sennheiser HD 400S can be folded. |
| Connectivity Technology | Wired | - | |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | 120 dB | - |
| MICROPHONE | Sennheiser HD 400S | Poly SupraPlus SDS 1031-15 |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Sennheiser HD 400S | Poly SupraPlus SDS 1031-15 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Push to Talk (PTT) |
|---|
| CABLE | Sennheiser HD 400S | Poly SupraPlus SDS 1031-15 |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | Quick Disconnect to LEMO FFP.2S.310 cable | |
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| CONNECTIONS | Sennheiser HD 400S | Poly SupraPlus SDS 1031-15 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser HD 400S | Poly SupraPlus SDS 1031-15 |
|---|
| TAA Compliant | - | Yes | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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