In depth comparison and review of Poly Blackwire 325 and Razer BlackShark V2 HyperSpeed. 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 | Razer BlackShark V2 HyperSpeed |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - Bluetooth / 2.4 GHz radio frequency - wireless, wired - USB-C | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 280 g | |
| Dimensions & Weight Details | - | Inner earcup diameter: 4.2 cm 6.2 cm | |
| Earpad Material | - | Ultra-soft memory foam | |
| Headband Material | Metal | - | |
| Design | - | Games | |
| Recommended Use | - | Computer | |
| Gaming | - | Yes |
| SOUND QUALITY | Poly Blackwire 325 | Razer BlackShark V2 HyperSpeed |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth / 2.4 GHz radio frequency | |
| Bluetooth Audio Codec | - | SBC | |
| Noise Isolating | - | Yes | Razer BlackShark V2 HyperSpeed are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | THX Spatial Audio | |
| Frequency Response | 20 - 20000 Hz | 12 - 28000 Hz | Razer BlackShark V2 HyperSpeed offer a larger frequency range than Poly Blackwire 325. |
| Sensitivity | - | 100 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Razer Triforce titanium | |
| Features | SoundGuard Technology | Razer HyperSpeed Wireless | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Razer BlackShark V2 HyperSpeed |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Noise Cancelling | - | Yes | Razer BlackShark V2 HyperSpeed microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Razer HyperClear | |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -42 dBV/Pascal | |
| Sensitivity Margin | - | +/- 3dB |
| REMOTE CONTROL | Poly Blackwire 325 | Razer BlackShark V2 HyperSpeed |
|---|
| Controls | Mute, volume, answer/end | Volume, microphone on/mute, Razer SmartSwitch button |
|---|
| CABLE | Poly Blackwire 325 | Razer BlackShark V2 HyperSpeed |
|---|
| Cable Type | Headset cable - 2.13 m | USB-C to USB-A cable - 1.8 m | |
|---|---|---|---|
| Cable Length | 2.13 m | 1.8 m |
| FEATURES | Poly Blackwire 325 | Razer BlackShark V2 HyperSpeed |
|---|
| Features | - | Bendable microphone arm | |
|---|---|---|---|
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Poly Blackwire 325 | Razer BlackShark V2 HyperSpeed |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 70 hour(s) | |
| Battery Life Details | - | Continuous playback (with 15 min charge): up to 6 hours |
| CONNECTIONS | Poly Blackwire 325 | Razer BlackShark V2 HyperSpeed |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
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|---|
| OTHERS | Poly Blackwire 325 | Razer BlackShark V2 HyperSpeed |
|---|
| Compatibility | - | Windows | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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