In depth comparison and review of JVC TINYPHONES HA-KD9BT and ifrogz Impulse 2. 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 | JVC TINYPHONES HA-KD9BT | ifrogz Impulse 2 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 19.5 cm | |
| Width | - | 21.48 cm | |
| Depth | - | 8 cm | |
| Weight | 120 g | 295 g | JVC TINYPHONES HA-KD9BT are lighter than JVC TINYPHONES HA-KD9BT headphones. |
| Colour | - | Blue | |
| Design | Kids | - | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JVC TINYPHONES HA-KD9BT | ifrogz Impulse 2 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Foldable | - | Yes | ifrogz Impulse 2 can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 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 | - | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 85 dB | 94 dB +/- 3dB | ifrogz Impulse 2 have higher sensitivity than JVC TINYPHONES HA-KD9BT. |
| Impedance | 20 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Ferrite | Neodymium |
| MICROPHONE | JVC TINYPHONES HA-KD9BT | ifrogz Impulse 2 |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | JVC TINYPHONES HA-KD9BT | ifrogz Impulse 2 |
|---|
| Controls | Volume, power on/off | Volume, power on/off, play/pause, next/previous track |
|---|
| CABLE | JVC TINYPHONES HA-KD9BT | ifrogz Impulse 2 |
|---|
| Cable Type | USB charge cable - detachable | Headphones cable - detachable Micro-USB charge cable |
|---|
| BATTERY AND CHARGING | JVC TINYPHONES HA-KD9BT | ifrogz Impulse 2 |
|---|
| Battery Type | 1 x headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 12 hour(s) | 20 hour(s) | ifrogz Impulse 2 lasts longer on a single charge than the JVC TINYPHONES HA-KD9BT. |
| Charging Time | 3 hour(s) | 2 hour(s) | ifrogz Impulse 2 recharge faster than JVC TINYPHONES HA-KD9BT. |
| Included Qty | 1 | - |
| CONNECTIONS | JVC TINYPHONES HA-KD9BT | ifrogz Impulse 2 |
|---|
| Connector Type | Bluetooth USB (power only) (micro-USB) |
Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | JVC TINYPHONES HA-KD9BT | ifrogz Impulse 2 |
|---|
| Included Accessories | Stickers | Carrying pouch | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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