In depth comparison and review of JVC HA FX39BT Marshmallow and ifrogz impulse duo. 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 HA FX39BT Marshmallow | ifrogz impulse duo |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | - | |
| Colour | Green | White | Black | Black & silver | Silver | |
| Protection | - | Sweat-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 9.1 m |
| SOUND QUALITY | JVC HA FX39BT Marshmallow | ifrogz impulse duo |
|---|
| Headphones Form Factor | In-ear - behind-the-neck mount | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 3.0 | - | |
| 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 | - | JVC HA FX39BT Marshmallow are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 100 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 8.5 mm | 6 mm | JVC HA FX39BT Marshmallow have a thicker diaphragm than ifrogz impulse duo. |
| Magnet Material | Neodymium | Neodymium |
| MICROPHONE | JVC HA FX39BT Marshmallow | ifrogz impulse duo |
|---|
| Form Factor | Built-in | - |
|---|
| REMOTE CONTROL | JVC HA FX39BT Marshmallow | ifrogz impulse duo |
|---|
| Controls | Volume control, play/pause, next/previous track | Power on/off, volume control, play/pause, next/previous track |
|---|
| CABLE | JVC HA FX39BT Marshmallow | ifrogz impulse duo |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | JVC HA FX39BT Marshmallow | ifrogz impulse duo |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 14 hour(s) | 12 hour(s) | JVC HA FX39BT Marshmallow lasts longer on a single charge than the ifrogz impulse duo. |
| Charging Time | 3 hour(s) | 2.5 hour(s) | ifrogz impulse duo recharge faster than JVC HA FX39BT Marshmallow. |
| CONNECTIONS | JVC HA FX39BT Marshmallow | ifrogz impulse duo |
|---|
| Connector Type | Bluetooth USB |
- |
|---|
| OTHERS | JVC HA FX39BT Marshmallow | ifrogz impulse duo |
|---|
| Included Accessories | 2 pairs of ear tips (small, medium) | Magnetic clip | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Service & Support | - | Limited warranty - lifetime |
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