In depth comparison and review of Sennheiser HD 4.20s and Sennheiser HMDC 27. 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 | Sennheiser HMDC 27 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired | |
|---|---|---|---|
| Weight | - | 240 g | |
| Colour | Black | - | |
| Recommended Use | - | Professional audio |
| SOUND QUALITY | Sennheiser HD 4.20s | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 8 - 18000 Hz | |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Max Sound Pressure | - | 128 dB |
| MICROPHONE | Sennheiser HD 4.20s | Sennheiser HMDC 27 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | Omni-directional | Hypercardioid | |
| Frequency Response | - | 40 - 18000 Hz | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 4.20s | Sennheiser HMDC 27 |
|---|
| Controls | 1-button remote | - |
|---|
| CABLE | Sennheiser HD 4.20s | Sennheiser HMDC 27 |
|---|
| Cable Length | 1.4 m | - | |
|---|---|---|---|
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 4.20s | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Sennheiser HD 4.20s | Sennheiser HMDC 27 |
|---|
| Connector Type | Headphones (mini-phone 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 4.20s | Sennheiser HMDC 27 |
|---|
| Included Accessories | - | Wind screen, cable clip, headband padding | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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