Detailed comparison and review of Poly Blackwire 325 and Razer Kaira. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly Blackwire 325 | Razer Kaira |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - 2.4/5 GHz - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 293 g | |
| Earpad Material | - | FlowKnit memory foam | |
| Headband Material | Metal | - | |
| Recommended Use | - | Game console, computer | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 325 | Razer Kaira |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 2.4/5 GHz radio frequency | |
| Noise Isolating | - | Yes | Razer Kaira are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Windows Sonic surround sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 108 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Razer Triforce titanium | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Razer Kaira |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional (HyperClear flexible cardioid) | |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -54 dB | |
| Signal-To-Noise Ratio | - | 60 dB |
| REMOTE CONTROL | Poly Blackwire 325 | Razer Kaira |
|---|
| Controls | Mute, volume, answer/end | Volume, power on/off, microphone on/mute switch, status indicator, pair mode, game/chat balance |
|---|
| CABLE | Poly Blackwire 325 | Razer Kaira |
|---|
| Cable Type | Headset cable - 2.13 m | - | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325 | Razer Kaira |
|---|
| Features | - | Xbox Wireless technology | |
|---|---|---|---|
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Poly Blackwire 325 | Razer Kaira |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) |
| CONNECTIONS | Poly Blackwire 325 | Razer Kaira |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
- |
|---|
| OTHERS | Poly Blackwire 325 | Razer Kaira |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
|---|
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