In depth comparison and review of Poly Blackwire 325-M and Razer Thresher. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Poly Blackwire 325-M | Razer Thresher |
|---|
| 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 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 2.4 GHz radio frequency | |
| Noise Isolating | - | Yes | Razer Thresher 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 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 |
|---|
| 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 | - | -42 dBV/Pascal | |
| Signal-To-Noise Ratio | - | 55 dB | |
| Microphone Features | - | Retractable microphone |
| REMOTE CONTROL | Poly Blackwire 325-M | Razer Thresher |
|---|
| Controls | Mute, volume, answer/end | Volume, microphone on/mute |
|---|
| CABLE | Poly Blackwire 325-M | Razer Thresher |
|---|
| Cable Type | Headset cable - 2.13 m | Headphones cable - L shaped | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | Razer Thresher |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | Razer Thresher |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 16 hours | |
| Charging Time | - | 4 hours |
| CONNECTIONS | Poly Blackwire 325-M | Razer Thresher |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire 325-M | Razer Thresher |
|---|
| Included Accessories | - | USB dongle | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Service & Support | Limited warranty - 2 years | - |
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