Detailed comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Sennheiser HD 820. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HD 820 |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - wired | |
|---|---|---|---|
| Weight | 113 g | 360 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | - | |
| Earpad Material | Leatherette | Microfibre |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HD 820 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | - | Yes | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 6 - 48000 Hz | Sennheiser HD 820 offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | 103 dB/Vrms | Both headphones offer the same sensitivity. |
| Impedance | 200 Ohm | 300 Ohm | |
| Magnet Material | Neodymium | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HD 820 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 150 - 6800 Hz | - |
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HD 820 |
|---|
| Cable Type | Headset cable - 1 m | Headphones cable - OFC - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Plated Connector | - | Gold |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HD 820 |
|---|
| Connector Type | Headset (EasyDisconnect) | Headphones (phone stereo 6.3 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HD 820 |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
