In depth comparison and review of Sennheiser HD 820 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 820 | Sennheiser HMDC 27 |
|---|
| Product Type | Headphones - wired | Headset - wired | |
|---|---|---|---|
| Weight | 360 g | 240 g | Sennheiser HMDC 27 are lighter than Sennheiser HD 820 headphones. |
| Earpad Material | Microfibre | - | |
| Recommended Use | - | Professional audio |
| SOUND QUALITY | Sennheiser HD 820 | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | 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 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 48000 Hz | 8 - 18000 Hz | Sennheiser HD 820 offer a larger frequency range than Sennheiser HMDC 27. |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | 103 dB/Vrms | - | |
| Impedance | 300 Ohm | - | |
| Max Sound Pressure | - | 128 dB |
| MICROPHONE | Sennheiser HD 820 | Sennheiser HMDC 27 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | - | 40 - 18000 Hz |
| CABLE | Sennheiser HD 820 | Sennheiser HMDC 27 |
|---|
| Cable Type | Headphones cable - OFC - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 820 | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Sennheiser HD 820 | Sennheiser HMDC 27 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
| OTHERS | Sennheiser HD 820 | Sennheiser HMDC 27 |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | Wind screen, cable clip, headband padding |
|---|
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