In depth comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Marshall MAJOR IV. 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 | Marshall MAJOR IV |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 113 g | 165 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than EPOS I SENNHEISER IMPACT SC 660 TC headphones. |
| Colour | Black with silver | Black | Brown | |
| Earpad Material | Leatherette | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Marshall MAJOR IV |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | Marshall MAJOR IV can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | Marshall MAJOR IV offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | 99 dB | EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than Marshall MAJOR IV. |
| Impedance | 200 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Marshall MAJOR IV |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 150 - 6800 Hz | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | Marshall MAJOR IV |
|---|
| Controls | - | Volume, answer/end, play/pause, reject call, skip track |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Marshall MAJOR IV |
|---|
| Cable Type | Headset cable - 1 m | Headphones cable - detachable USB-C charge cable - detachable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT SC 660 TC | Marshall MAJOR IV |
|---|
| Battery Type | - | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Life | - | 80 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 80 hours | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Marshall MAJOR IV |
|---|
| Connector Type | Headset (EasyDisconnect) | Audio line-out / headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Marshall MAJOR IV |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | USB-C charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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