In depth comparison and review of JVC HA FX39BT Marshmallow and Jaybird RUN. 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 | Jaybird RUN |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | - | |
| Dimensions & Weight Details | - | Earbud: 1.43 cm x 1.9 cm x 1.95 cm / 6.83 g Charging case: 56.6 g |
|
| Colour | Green | White | Black | Jet | Drift | |
| Protection | - | Waterproof, sweat-resistant | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | Portable electronics, phone | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JVC HA FX39BT Marshmallow | Jaybird RUN |
|---|
| 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 4.1 | Jaybird RUN 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), Serial Port Profile (SPP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC | SBC | |
| Noise Isolating | Yes | Yes | Both headphones are equipped with noise isolation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Super Bass Control (SBC) | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | - | <5% | |
| Sensitivity | - | 103 dB | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 8.5 mm | 6 mm | JVC HA FX39BT Marshmallow have a thicker diaphragm than Jaybird RUN. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 8 | Jaybird RUN have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Neodymium | - |
| MICROPHONE | JVC HA FX39BT Marshmallow | Jaybird RUN |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Audio Input Details | - | Omni-directional | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | JVC HA FX39BT Marshmallow | Jaybird RUN |
|---|
| Controls | Volume control, play/pause, next/previous track | Skip-Free Music (JET) |
|---|
| CABLE | JVC HA FX39BT Marshmallow | Jaybird RUN |
|---|
| Cable Type | USB charge cable | USB charge cable - detachable |
|---|
| BATTERY AND CHARGING | JVC HA FX39BT Marshmallow | Jaybird RUN |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 80 mAh | |
| Battery Life | 14 hour(s) | 4 hour(s) | JVC HA FX39BT Marshmallow lasts longer on a single charge than the Jaybird RUN. |
| Charging Time | 3 hour(s) | 2 hour(s) | Jaybird RUN recharge faster than JVC HA FX39BT Marshmallow. |
| CONNECTIONS | JVC HA FX39BT Marshmallow | Jaybird RUN |
|---|
| Connector Type | Bluetooth USB |
- |
|---|
| OTHERS | JVC HA FX39BT Marshmallow | Jaybird RUN |
|---|
| Included Accessories | 2 pairs of ear tips (small, medium) | Carrying pouch, charging case, sticker, 4 pairs of EarFins, 2 pairs of round ear tips (small, large), 2 pairs of oval ear tips (small, large) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | iPhone, iPad, iPod, Android phone | |
| Service & Support | - | Limited warranty - 2 years |
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