In depth comparison and review of JVC HA FX39BT Marshmallow and Erato RIO 3. 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 | Erato RIO 3 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 4.6 cm | |
| Width | - | 5.1 cm | |
| Depth | - | 3.4 cm | |
| Weight | 28 g | 14 g | Erato RIO 3 are lighter than JVC HA FX39BT Marshmallow headphones. |
| Colour | Green | White | Black | Yellow | Black | Turquoise | Green | Red | Silver | |
| Protection | - | Sweat-resistant, IPX5, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JVC HA FX39BT Marshmallow | Erato RIO 3 |
|---|
| 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 4.2 | Erato RIO 3 have a more advanced version of Bluetooth than JVC HA FX39BT Marshmallow. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC | SBC, AAC, aptX | |
| 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 | 14.2 mm | Erato RIO 3 have a thicker diaphragm than JVC HA FX39BT Marshmallow. |
| Magnet Material | Neodymium | - |
| MICROPHONE | JVC HA FX39BT Marshmallow | Erato RIO 3 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | JVC HA FX39BT Marshmallow | Erato RIO 3 |
|---|
| Controls | Volume control, play/pause, next/previous track | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode |
|---|
| CABLE | JVC HA FX39BT Marshmallow | Erato RIO 3 |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | JVC HA FX39BT Marshmallow | Erato RIO 3 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 130 mAh | |
| Battery Life | 14 hour(s) | 8 hour(s) | JVC HA FX39BT Marshmallow lasts longer on a single charge than the Erato RIO 3. |
| Battery Life Details | - | Continuous playback: up to 6 hours Continuous talk: up to 8 hours |
|
| Charging Time | 3 hour(s) | - | |
| Included Qty | - | 2 |
| CONNECTIONS | JVC HA FX39BT Marshmallow | Erato RIO 3 |
|---|
| Connector Type | Bluetooth USB |
- |
|---|
| OTHERS | JVC HA FX39BT Marshmallow | Erato RIO 3 |
|---|
| Included Accessories | 2 pairs of ear tips (small, medium) | - | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - |
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