In depth comparison and review of Sennheiser HD 4.20s and AKG K812. 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 4.20s | AKG K812 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 390 g | |
| Colour | Black | Black | |
| Recommended Use | - | Professional audio |
| SOUND QUALITY | Sennheiser HD 4.20s | AKG K812 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | Open | |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 5 - 54000 Hz | |
| Max Input Power | - | 300 mW | |
| Sensitivity | - | 110 dB | |
| Impedance | - | 36 Ohm | |
| Diaphragm | - | 53 mm |
| MICROPHONE | Sennheiser HD 4.20s | AKG K812 |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | AKG K812 |
|---|
| Controls | 1-button remote | - |
|---|
| CABLE | Sennheiser HD 4.20s | AKG K812 |
|---|
| Cable Type | - | Headphones cable - detachable - 3 m | |
|---|---|---|---|
| Cable Length | 1.4 m | 3 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | Gold |
| CONNECTIONS | Sennheiser HD 4.20s | AKG K812 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 4.20s | AKG K812 |
|---|
| Included Accessories | - | 6.3 mm (1/4") stereo adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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