In depth comparison and review of Poly Blackwire 325-M and Razer Kraken 7.1 V2. 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 Kraken 7.1 V2 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 346 g | |
| Colour | - | Mercury white | Black | |
| Body Material | - | Aluminium | |
| Headband Material | Metal | - | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Poly Blackwire 325-M | Razer Kraken 7.1 V2 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Foldable | - | Yes | Razer Kraken 7.1 V2 can be folded. |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | - | Yes | Razer Kraken 7.1 V2 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
| Frequency Response | 20 - 20000 Hz | 12 - 28000 Hz | Razer Kraken 7.1 V2 offer a larger frequency range than Poly Blackwire 325-M. |
| Max Input Power | - | 30 mW | |
| Sensitivity | - | 123 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium magnet | |
| Features | SoundGuard Technology | Razer Chroma lighting | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325-M | Razer Kraken 7.1 V2 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Noise Cancelling | - | Yes | Razer Kraken 7.1 V2 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -38 dB | |
| Signal-To-Noise Ratio | - | 55 dB |
| REMOTE CONTROL | Poly Blackwire 325-M | Razer Kraken 7.1 V2 |
|---|
| Controls | Mute, volume, answer/end | Volume, microphone on/mute |
|---|
| CABLE | Poly Blackwire 325-M | Razer Kraken 7.1 V2 |
|---|
| Cable Type | Headset cable - 2.13 m | Headset cable - 2 m | |
|---|---|---|---|
| Cable Length | 2.13 m | 2 m |
| FEATURES | Poly Blackwire 325-M | Razer Kraken 7.1 V2 |
|---|
| Additional Functions | DSP | LED lights |
|---|
| CONNECTIONS | Poly Blackwire 325-M | Razer Kraken 7.1 V2 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
USB (4 PIN USB Type A) |
|---|
| OTHERS | Poly Blackwire 325-M | Razer Kraken 7.1 V2 |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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