Side by side comparison and review of Sharkoon Rush ER2 and Poly Blackwire C725-UC. 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 | Sharkoon Rush ER2 | Poly Blackwire C725-UC |
|---|
| Product Type | Headset - wired | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 700 Series | |
| Weight | 266 g | - | |
| Colour | White | Red | Green | Blue | - | |
| Recommended Use | Game console, portable electronics, computer | Computer |
| SOUND QUALITY | Sharkoon Rush ER2 | Poly Blackwire C725-UC |
|---|
| Headphones Form Factor | Full size | 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 | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 100 mW | - | |
| Sensitivity | 92 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sharkoon Rush ER2 | Poly Blackwire C725-UC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Frequency Response | 30 - 16000 Hz | 100 - 8000 Hz | Sharkoon Rush ER2 offer a larger microphone frequency range than Poly Blackwire C725-UC. |
| Audio Input Details | Omni-directional - 30 - 16000 Hz - Output Impedance 2.2 kOhm | - | |
| Sensitivity | -58 dB | - | |
| Impedance | 2.2 kOhm | - |
| REMOTE CONTROL | Sharkoon Rush ER2 | Poly Blackwire C725-UC |
|---|
| Controls | Volume control, microphone on/mute | Mute, volume, answer/end |
|---|
| CABLE | Sharkoon Rush ER2 | Poly Blackwire C725-UC |
|---|
| Cable Type | Headset cable - 1.1 m Headset cable - 2.5 m |
USB cable - 2.04 m | |
|---|---|---|---|
| Cable Length | - | 2.04 m |
| CONNECTIONS | Sharkoon Rush ER2 | Poly Blackwire C725-UC |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Sharkoon Rush ER2 | Poly Blackwire C725-UC |
|---|
| Included Accessories | Carrying pouch | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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