Detailed comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Poly Blackwire C725-UC. 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 | Poly Blackwire C725-UC |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 700 Series | |
| Weight | 113 g | - | |
| Colour | Black with silver | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | - | Computer |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire C725-UC |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire C725-UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | Poly Blackwire C725-UC offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | - | |
| Impedance | 200 Ohm | - | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire C725-UC |
|---|
| Form Factor | Headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Frequency Response | 150 - 6800 Hz | 100 - 8000 Hz | Poly Blackwire C725-UC offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire C725-UC |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire C725-UC |
|---|
| Cable Type | Headset cable - 1 m | USB cable - 2.04 m | |
|---|---|---|---|
| Cable Length | - | 2.04 m |
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire C725-UC |
|---|
| Connector Type | Headset (EasyDisconnect) | USB (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire C725-UC |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 2 years |
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