In depth comparison and review of Sennheiser HD 400S and Poly EncorePro 725. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 400S | Poly EncorePro 725 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | EncorePro 700 Series | |
| Weight | 217 g | 78 g | Poly EncorePro 725 are lighter than Sennheiser HD 400S headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sennheiser HD 400S | Poly EncorePro 725 |
|---|
| 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 | Wired | |
| Noise Isolating | Yes | - | Sennheiser HD 400S are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Impedance | 18 Ohm | - | |
| Max Sound Pressure | 120 dB | - | |
| Diaphragm | - | 28 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Sennheiser HD 400S | Poly EncorePro 725 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 725 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 10000 Hz | 100 - 6800 Hz | Sennheiser HD 400S offer a larger microphone frequency range than Poly EncorePro 725. |
| REMOTE CONTROL | Sennheiser HD 400S | Poly EncorePro 725 |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser HD 400S | Poly EncorePro 725 |
|---|
| Cable Type | Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | 89 cm | |
| Detachable Cable | Yes | - |
| FEATURES | Sennheiser HD 400S | Poly EncorePro 725 |
|---|
| Features | - | 290° rotatable microphone |
|---|
| CONNECTIONS | Sennheiser HD 400S | Poly EncorePro 725 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (USB Type-A) |
|---|
| OTHERS | Sennheiser HD 400S | Poly EncorePro 725 |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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