Detailed comparison and review of Koss UR 23i and EPOS I SENNHEISER IMPACT SC 660 TC. 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 | Koss UR 23i | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - Easy Disconnect | |
|---|---|---|---|
| Weight | - | 113 g | |
| Colour | White | Black | Black with silver | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 50 - 18000 Hz | Koss UR 23i offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 94 dB | 103 dB | EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 200 Ohm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Koss UR 23i | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Frequency Response | - | 150 - 6800 Hz |
| CABLE | Koss UR 23i | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Cable Type | Headphones cable - 1.22 m | Headset cable - 1 m |
|---|
| CONNECTIONS | Koss UR 23i | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (EasyDisconnect) |
|---|
| OTHERS | Koss UR 23i | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Included Accessories | - | Carrying pouch, leatherette ear pads, cable clip | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 3 years |
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