Side by side comparison and review of Cooler Master MH670 and Poly Blackwire 3320. 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 | Cooler Master MH670 | Poly Blackwire 3320 |
|---|
| Product Type | Headset - 2.4 GHz - wireless | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | 19.15 cm | - | |
| Width | 19.2 cm | - | |
| Depth | 8.5 cm | - | |
| Weight | 346.5 g | 130 g | Poly Blackwire 3320 are lighter than Cooler Master MH670 headphones. |
| Body Material | Plastic, steel | - | |
| Earpad Material | Foam, polyurethane leather | - | |
| Headband Material | PU leather | - | |
| Protection | - | Hearing protection |
| SOUND QUALITY | Cooler Master MH670 | Poly Blackwire 3320 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | 2.4 GHz radio frequency | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | 7.1 Channel Virtual Surround Sound | - | |
| Frequency Response | 15 - 20000 Hz | 20 - 20000 Hz | Cooler Master MH670 offer a larger frequency range than Poly Blackwire 3320. |
| Max Input Power | 150 mW | - | |
| Sensitivity | 110 dB | 94 dB | Cooler Master MH670 have higher sensitivity than Poly Blackwire 3320. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 50 mm | 32 mm | Cooler Master MH670 have a thicker diaphragm than Poly Blackwire 3320. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Cooler Master MH670 | Poly Blackwire 3320 |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 3320 microphone can cancel out ambient noise. |
| Frequency Response | 50 - 18000 Hz | 100 - 10000 Hz | Cooler Master MH670 offer a larger microphone frequency range than Poly Blackwire 3320. |
| Sensitivity | -40 dB | -38 dB | |
| Signal-To-Noise Ratio | 50 dB | - |
| REMOTE CONTROL | Cooler Master MH670 | Poly Blackwire 3320 |
|---|
| Controls | Power on/off, microphone on/mute, master volume | Mute, volume, answer/end |
|---|
| CABLE | Cooler Master MH670 | Poly Blackwire 3320 |
|---|
| Cable Type | Mini-phone 3.5 mm to mini-phone 3.5 mm cable - 1.5 m Micro-USB charge cable - 1.2 m USB-C to USB-A adapter |
Headset cable | |
|---|---|---|---|
| Cable Length | 1.5 m | - |
| BATTERY AND CHARGING | Cooler Master MH670 | Poly Blackwire 3320 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Capacity | 1500 mAh | - | |
| Battery Life | 24 hour(s) | - |
| CONNECTIONS | Cooler Master MH670 | Poly Blackwire 3320 |
|---|
| Connector Type | USB 2.0 (4 PIN USB Type A) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Cooler Master MH670 | Poly Blackwire 3320 |
|---|
| Software Certification | - | Certified for Microsoft Teams | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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