Side by side comparison and review of Poly Blackwire 325-M and Razer Thresher Ultimate. 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 | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - 7.1 channel - 2.4 GHz - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 21.4 cm | |
| Width | - | 19.6 cm | |
| Depth | - | 10.48 cm | |
| Weight | - | 408 g | |
| Colour | - | Black | |
| Earpad Material | - | Leatherette, memory foam | |
| Headband Material | Metal | - | |
| Recommended Use | - | Game console | |
| Bluetooth Range (Operating Distance) | - | 12 m |
| SOUND QUALITY | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 2.4 GHz radio frequency | |
| Noise Isolating | - | Yes | Razer Thresher Ultimate are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | 7.1 channel surround | |
| Built-in Decoders | - | Dolby Headphone | |
| Frequency Response | 20 - 20000 Hz | 12 - 28000 Hz | Razer Thresher Ultimate offer a larger frequency range than Poly Blackwire 325-M. |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -38 dBV/Pascal | |
| Signal-To-Noise Ratio | - | 55 dB | |
| Microphone Features | - | Retractable microphone |
| REMOTE CONTROL | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Controls | Mute, volume, answer/end | Volume, microphone on/mute |
|---|
| CABLE | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Cable Type | Headset cable - 2.13 m | - | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 16 hours | |
| Charging Time | - | 4 hours |
| WIRELESS LINK | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Transmission Range | - | 12 m |
|---|
| CONNECTIONS | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
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|---|
| OTHERS | Poly Blackwire 325-M | Razer Thresher Ultimate |
|---|
| Included Accessories | - | Base station, stand | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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