Detailed comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Sennheiser HMD 300 PRO. 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 HMD 300 PRO |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headset - wired | |
|---|---|---|---|
| Weight | 113 g | 319 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 | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HMD 300 PRO |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HMD 300 PRO can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HMD 300 PRO are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 60 - 25000 Hz | Sennheiser HMD 300 PRO offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | - | 0.1% | |
| Sensitivity | 103 dB | 108 dB | Sennheiser HMD 300 PRO have higher sensitivity than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Impedance | 200 Ohm | 64 Ohm | |
| Max Sound Pressure | - | 123 dB | |
| Magnet Material | Neodymium | - |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HMD 300 PRO |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | 150 - 6800 Hz | 80 - 16000 Hz | Sennheiser HMD 300 PRO offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | - | 0.4 mV/Pascal | |
| Impedance | - | 300 Ohm |
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HMD 300 PRO |
|---|
| Cable Type | Headset cable - 1 m | - |
|---|
| FEATURES | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HMD 300 PRO |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HMD 300 PRO |
|---|
| Connector Type | Headset (EasyDisconnect) | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Sennheiser HMD 300 PRO |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Wind screen | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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