Side by side comparison and review of EPOS I SENNHEISER IMPACT SC 660 TC and Poly Blackwire 325-M. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 325-M |
|---|
| Product Type | Headset - wired - Easy Disconnect | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Weight | 113 g | - | |
| Colour | Black with silver | - | |
| Earpad Material | Leatherette | - | |
| Headband Material | - | Metal |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 325-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 18000 Hz | 20 - 20000 Hz | Poly Blackwire 325-M offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Sensitivity | 103 dB | - | |
| Impedance | 200 Ohm | - | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 325-M |
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| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Frequency Response | 150 - 6800 Hz | 100 - 10000 Hz | Poly Blackwire 325-M 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 325-M |
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| Controls | - | Mute, volume, answer/end |
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| CABLE | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 325-M |
|---|
| Cable Type | Headset cable - 1 m | Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | - | 2.13 m |
| FEATURES | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 325-M |
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| Additional Functions | - | DSP |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 325-M |
|---|
| Connector Type | Headset (EasyDisconnect) | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
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| OTHERS | EPOS I SENNHEISER IMPACT SC 660 TC | Poly Blackwire 325-M |
|---|
| Included Accessories | Carrying pouch, leatherette ear pads, cable clip | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 2 years |
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