In depth comparison and review of Razer Kraken Ultimate and Poly Blackwire 8225. 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 | Razer Kraken Ultimate | Poly Blackwire 8225 |
|---|
| Product Type | Headset - wired - USB | Headset - wired - USB-C | |
|---|---|---|---|
| Weight | 390 g | 186 g | Poly Blackwire 8225 are lighter than Razer Kraken Ultimate headphones. |
| Colour | Classic black | - | |
| Earpad Material | Cooling gel-infused cushions | - | |
| Headband Material | Aluminium, stainless steel | - | |
| Recommended Use | Computer | - |
| SOUND QUALITY | Razer Kraken Ultimate | Poly Blackwire 8225 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | THX Spatial Audio | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 112 dB | 84 dB | Razer Kraken Ultimate have higher sensitivity than Poly Blackwire 8225. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 50 mm | 32 mm | Razer Kraken Ultimate have a thicker diaphragm than Poly Blackwire 8225. |
| Magnet Material | Neodymium | - | |
| Features | Razer Chroma lighting | SoundGuard DIGITAL Technology |
| MICROPHONE | Razer Kraken Ultimate | Poly Blackwire 8225 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones 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 | -35 dBV/Pascal | |
| Signal-To-Noise Ratio | 60 dB | - | |
| Microphone Features | Mute function, retractable microphone | - |
| REMOTE CONTROL | Razer Kraken Ultimate | Poly Blackwire 8225 |
|---|
| Controls | Volume control, microphone on/mute, THX Spatial Audio on/off | Mute, volume, answer/end |
|---|
| CABLE | Razer Kraken Ultimate | Poly Blackwire 8225 |
|---|
| Cable Type | USB cable - 2 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | 2 m | 2.2 m |
| FEATURES | Razer Kraken Ultimate | Poly Blackwire 8225 |
|---|
| Additional Functions | RGB lighting | - |
|---|
| CONNECTIONS | Razer Kraken Ultimate | Poly Blackwire 8225 |
|---|
| Connector Type | USB (4 PIN USB Type A) | Headset (USB Type-C) |
|---|
| OTHERS | Razer Kraken Ultimate | Poly Blackwire 8225 |
|---|
| Software Certification | - | Zoom Certified | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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