Side by side comparison and review of ASTRO A40 TR and Razer Kaira. 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 | ASTRO A40 TR | Razer Kaira |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - 2.4/5 GHz - wireless | |
|---|---|---|---|
| Height | 9.5 cm | - | |
| Width | 19.7 cm | - | |
| Depth | 20.32 cm | - | |
| Weight | 369 g | 293 g | Razer Kaira are lighter than ASTRO A40 TR headphones. |
| Colour | Black, blue | Black | Black, red | White | Black, olive | Navy, crimson | - | |
| Earpad Material | Synthetic leather | FlowKnit memory foam | |
| Recommended Use | Game console, computer | Game console, computer | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | ASTRO A40 TR | Razer Kaira |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Open | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | 2.4/5 GHz radio frequency | |
| Noise Isolating | Yes | Yes | Both headphones are equipped with noise isolation. |
| Sound Output Mode | Stereo | Stereo | |
| Built-in Decoders | MixAmp Dolby Digital | - | |
| Sound Effects | 7.1 Channel Dolby Headphone Surround Sound | Windows Sonic surround sound | |
| Frequency Response | 20 - 24000 Hz | 20 - 20000 Hz | ASTRO A40 TR offer a larger frequency range than Razer Kaira. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | - | 108 dB | |
| Impedance | 48 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 50 mm | Razer Kaira have a thicker diaphragm than ASTRO A40 TR. |
| Magnet Material | - | Razer Triforce titanium | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | ASTRO A40 TR | Razer Kaira |
|---|
| Form Factor | Detachable headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | Uni-directional (HyperClear flexible cardioid) | |
| Frequency Response | - | 100 - 10000 Hz | |
| Audio Input Details | Uni-directional | - | |
| Sensitivity | - | -54 dB | |
| Signal-To-Noise Ratio | - | 60 dB |
| REMOTE CONTROL | ASTRO A40 TR | Razer Kaira |
|---|
| Controls | Volume | Volume, power on/off, microphone on/mute switch, status indicator, pair mode, game/chat balance |
|---|
| CABLE | ASTRO A40 TR | Razer Kaira |
|---|
| Cable Type | Headset cable - detachable - 2 m Audio splitter - 1.5 m |
- | |
|---|---|---|---|
| Cable Length | 2 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | ASTRO A40 TR | Razer Kaira |
|---|
| Features | - | Xbox Wireless technology |
|---|
| BATTERY AND CHARGING | ASTRO A40 TR | Razer Kaira |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) |
| CONNECTIONS | ASTRO A40 TR | Razer Kaira |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 5-pole) | - |
|---|
| OTHERS | ASTRO A40 TR | Razer Kaira |
|---|
| Bundled with | Astro MixAmp Pro TR | - | |
|---|---|---|---|
| Included Accessories | Detachable microphone, 2 speaker tags | - | |
| Compatibility | Mac, Windows | - | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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