Side by side comparison and review of Razer Kaira and Bowers & Wilkins PX7 S2. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Product Type | Headset - 2.4/5 GHz - wireless | Headphones - Bluetooth - wireless, wired - USB-C | |
|---|---|---|---|
| Weight | 293 g | 307 g | Razer Kaira are lighter than Razer Kaira headphones. |
| Dimensions & Weight Details | - | Case: 18.9 cm x 6.3 cm x 23.3 cm | |
| Colour | - | Black | |
| Earpad Material | FlowKnit memory foam | Memory foam | |
| Recommended Use | Game console, computer | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | 2.4/5 GHz radio frequency | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD, aptX Adaptive | |
| Active Noise Cancelling | - | Yes | Bowers & Wilkins PX7 S2 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid Active Noise Cancelling | |
| Noise Isolating | Yes | - | Razer Kaira are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Sound Effects | Windows Sonic surround sound | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 108 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 50 mm | Bio-cellulose - 40 mm | Razer Kaira have a thicker diaphragm than Bowers & Wilkins PX7 S2. |
| Magnet Material | Razer Triforce titanium | - | |
| Features | - | Ambient Pass-Through |
| MICROPHONE | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional (HyperClear flexible cardioid) | - | |
| Noise Cancelling | - | Yes | Bowers & Wilkins PX7 S2 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -54 dB | - | |
| Signal-To-Noise Ratio | 60 dB | - | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Controls | Volume, power on/off, microphone on/mute switch, status indicator, pair mode, game/chat balance | - |
|---|
| CABLE | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Cable Type | - | USB-C to mini-phone 3.5 mm cable - detachable - 1.2 m USB-C to USB-C cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| FEATURES | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Features | Xbox Wireless technology | Wear detection |
|---|
| BATTERY AND CHARGING | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Life | 15 hour(s) | 30 hour(s) | Bowers & Wilkins PX7 S2 lasts longer on a single charge than the Razer Kaira. |
| Battery Life Details | - | Continuous playback: up to 30 hours Continuous playback (with 15 min charge): up to 7 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Connector Type | - | Headphones (24 pin USB-C) |
|---|
| OTHERS | Razer Kaira | Bowers & Wilkins PX7 S2 |
|---|
| Included Accessories | - | Carrying case, 3.5 mm to USB-C cable, USB-C to USB-C cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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