In depth comparison and review of Poly Blackwire 325 and Razer Kraken BT. 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 Kraken BT |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 298 g | |
| Earpad Material | - | Leatherette, foam, plush | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Poly Blackwire 325 | Razer Kraken BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 96 dB/mW | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | Razer Chroma lighting | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Razer Kraken BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Razer Kraken BT 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 dBV/Pascal | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly Blackwire 325 | Razer Kraken BT |
|---|
| Controls | Mute, volume, answer/end | Volume, power on/off, pair mode, multiple function button |
|---|
| CABLE | Poly Blackwire 325 | Razer Kraken BT |
|---|
| Cable Type | Headset cable - 2.13 m | - | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325 | Razer Kraken BT |
|---|
| Additional Functions | DSP | RGB lighting |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325 | Razer Kraken BT |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | Continuous playback (with LED lights): up to 20 hours Continuous playback: up to 20 hours |
| CONNECTIONS | Poly Blackwire 325 | Razer Kraken BT |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
- |
|---|
| OTHERS | Poly Blackwire 325 | Razer Kraken BT |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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