Specifications:
General
| Brand | Sennheiser | |
| Model | HD 4.20s | |
| Title | Sennheiser HD 4.20s | |
| Warranty | 2 Years | |
| Box Contents | Headphone, Warranty Card, User Manual |
Design
| Type | Wired | |
| Design | Over ear | |
| Open or closed back | Closed Back |
Performance
| Impedance | 18 Ohms | |
| Sensitivity | 118 dB/mw | |
| Max frequency response | 20000 Hz | |
| Min frequency response | 18 Hz |
Physical Design
| Plug type | Gold-plated Stereo Mini | |
| Foldable Design | Yes | |
| Colours | Black, White |
Features
| Noise cancellation | Yes | |
| Noise isolation | Yes | |
| Echo reduction | Yes | |
| Noise reduction | Yes | |
| Tangle free | Yes | |
| Call control | Answer, End | |
| Music control | Volume Up, Down, Play, Pause, Previous, Next |
Connectivity
| Connectivity | 3.5 mm stereo |
Microphone
| Microphone | Yes | |
| Mic type | Omni directional |
Compatibility
| Compatible Models | Media player, Mobile Phone, Tablet |
Source:

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