In depth comparison and review of EPOS I SENNHEISER C20 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 | EPOS I SENNHEISER C20 | Sennheiser HMDC 27 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | Headset - wired | |
|---|---|---|---|
| Series | C-series | - | |
| Height | 20 cm | - | |
| Width | 16.5 cm | - | |
| Depth | 5.8 cm | - | |
| Weight | 200 g | 240 g | EPOS I SENNHEISER C20 are lighter than EPOS I SENNHEISER C20 headphones. |
| Colour | Black | - | |
| Recommended Use | - | Professional audio | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER C20 | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Active Noise Cancelling | - | Yes | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 8 - 18000 Hz | |
| Total Harmonic Distortion (THD) | 3% | <0.1% | Sennheiser HMDC 27 have lower total harmonic distortion than EPOS I SENNHEISER C20. |
| Max Sound Pressure | - | 128 dB | |
| Features | EPOS BrainAdapt Technology | - |
| MICROPHONE | EPOS I SENNHEISER C20 | Sennheiser HMDC 27 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | - | 40 - 18000 Hz |
| FEATURES | EPOS I SENNHEISER C20 | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER C20 | Sennheiser HMDC 27 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Standby Time | 300 hours | - | |
| Charging Time | 2 hour(s) | - |
| OTHERS | EPOS I SENNHEISER C20 | Sennheiser HMDC 27 |
|---|
| Included Accessories | Carrying case, charging cable, BTD 800 USB dongle | Wind screen, cable clip, headband padding | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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