In depth comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and EPOS I SENNHEISER C20. 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 IMPACT SC 660 TC | EPOS I SENNHEISER C20 |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | - | C-series | |
| Height | - | 20 cm | |
| Width | - | 16.5 cm | |
| Depth | - | 5.8 cm | |
| Weight | 113 g | 200 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | Black | |
| Earpad Material | Leatherette | - | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | EPOS I SENNHEISER C20 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | - | |
| Total Harmonic Distortion (THD) | - | 3% | |
| Sensitivity | 103 dB | - | |
| Impedance | 200 Ohm | - | |
| Magnet Material | Neodymium | - | |
| Features | - | EPOS BrainAdapt Technology |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | EPOS I SENNHEISER C20 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Frequency Response | 150 - 6800 Hz | - |
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | EPOS I SENNHEISER C20 |
|---|
| Cable Type | Headset cable - 1 m | - |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | EPOS I SENNHEISER C20 |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Standby Time | - | 300 hours | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | EPOS I SENNHEISER C20 |
|---|
| Connector Type | Headset (EasyDisconnect) | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | EPOS I SENNHEISER C20 |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Carrying case, charging cable, BTD 800 USB dongle | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 2 years |
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