Detailed comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Poly Blackwire 3320. 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 3320 |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Weight | 113 g | 130 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 | - | |
| Protection | - | Hearing protection |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 3320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | Poly Blackwire 3320 offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | 94 dB | EPOS I SENNHEISER IMPACT SC 660 TC have higher sensitivity than Poly Blackwire 3320. |
| Impedance | 200 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 3320 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Noise Cancelling | - | Yes | Poly Blackwire 3320 microphone can cancel out ambient noise. |
| Frequency Response | 150 - 6800 Hz | 100 - 10000 Hz | Poly Blackwire 3320 offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 3320 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 3320 |
|---|
| Cable Type | Headset cable - 1 m | Headset cable |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 3320 |
|---|
| Connector Type | Headset (EasyDisconnect) | USB (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 3320 |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | - | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Service & Support | Limited warranty - 3 years | Limited warranty - 2 years |
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