In depth comparison and review of Sennheiser HD 25 Plus and EPOS I SENNHEISER IMPACT SC 660 TC. 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 | Sennheiser HD 25 Plus | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - Easy Disconnect | |
|---|---|---|---|
| Weight | 140 g | 113 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than Sennheiser HD 25 Plus headphones. |
| Colour | - | Black with silver | |
| Earpad Material | - | Leatherette | |
| Design | DJ | - | |
| Recommended Use | Professional audio, home audio | - |
| SOUND QUALITY | Sennheiser HD 25 Plus | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 16 - 22000 Hz | 50 - 18000 Hz | Sennheiser HD 25 Plus offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Total Harmonic Distortion (THD) | 0.3% | - | |
| Sensitivity | 120 dB | 103 dB | Sennheiser HD 25 Plus have higher sensitivity than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Impedance | 70 Ohm | 200 Ohm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser HD 25 Plus | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 150 - 6800 Hz |
| CABLE | Sennheiser HD 25 Plus | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Cable Type | Headphones cable - 1.3 m Headphones cable - 1.5 m |
Headset cable - 1 m |
|---|
| CONNECTIONS | Sennheiser HD 25 Plus | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (EasyDisconnect) |
|---|
| OTHERS | Sennheiser HD 25 Plus | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Included Accessories | Protective pouch, 3.5 mm to 6.3 mm adapter, 2 pairs of earpads | Carrying pouch, leatherette ear pads, cable clip | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 3 years |
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