Detailed comparison and review of ASTRO A40 TR and JVC TINYPHONES HA-KD9BT. 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 | ASTRO A40 TR | JVC TINYPHONES HA-KD9BT |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 9.5 cm | - | |
| Width | 19.7 cm | - | |
| Depth | 20.32 cm | - | |
| Weight | 369 g | 120 g | JVC TINYPHONES HA-KD9BT are lighter than ASTRO A40 TR headphones. |
| Colour | Black, blue | Black | Black, red | White | Black, olive | Navy, crimson | - | |
| Earpad Material | Synthetic leather | - | |
| Design | - | Kids | |
| Recommended Use | Game console, computer | - |
| SOUND QUALITY | ASTRO A40 TR | JVC TINYPHONES HA-KD9BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC | |
| Noise Isolating | Yes | - | ASTRO A40 TR are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Built-in Decoders | MixAmp Dolby Digital | - | |
| Sound Effects | 7.1 Channel Dolby Headphone Surround Sound | - | |
| Frequency Response | 20 - 24000 Hz | 20 - 20000 Hz | ASTRO A40 TR offer a larger frequency range than JVC TINYPHONES HA-KD9BT. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | - | 85 dB | |
| Impedance | 48 Ohm | 20 Ohm | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Ferrite | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | ASTRO A40 TR | JVC TINYPHONES HA-KD9BT |
|---|
| Form Factor | Detachable headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | - | |
| Audio Input Details | Uni-directional | - |
| REMOTE CONTROL | ASTRO A40 TR | JVC TINYPHONES HA-KD9BT |
|---|
| Controls | Volume | Volume, power on/off |
|---|
| CABLE | ASTRO A40 TR | JVC TINYPHONES HA-KD9BT |
|---|
| Cable Type | Headset cable - detachable - 2 m Audio splitter - 1.5 m |
USB charge cable - detachable | |
|---|---|---|---|
| Cable Length | 2 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | ASTRO A40 TR | JVC TINYPHONES HA-KD9BT |
|---|
| Battery Type | - | 1 x headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 12 hour(s) | |
| Charging Time | - | 3 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | ASTRO A40 TR | JVC TINYPHONES HA-KD9BT |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 5-pole) | Bluetooth USB (power only) (micro-USB) |
|---|
| OTHERS | ASTRO A40 TR | JVC TINYPHONES HA-KD9BT |
|---|
| Bundled with | Astro MixAmp Pro TR | - | |
|---|---|---|---|
| Included Accessories | Detachable microphone, 2 speaker tags | Stickers | |
| Compatibility | Mac, Windows | - | |
| Service & Support | Limited warranty - 1 year | - |
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