In depth comparison and review of JVC HA FX39BT Marshmallow and KEF Mu3. 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 | KEF Mu3 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | - | |
| Dimensions & Weight Details | - | Earbud: 1.75 cm x 2.63 cm x 2.45 cm / 5.8 g Charging case: 6.2 cm x 5.2 cm x 3.35 cm / 46.8 g |
|
| Colour | Green | White | Black | Silver grey | |
| Protection | - | Splashproof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JVC HA FX39BT Marshmallow | KEF Mu3 |
|---|
| 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 5.0 | KEF Mu3 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) | - | |
| Bluetooth Audio Codec | SBC | SBC, AAC | |
| Active Noise Cancelling | - | Yes | KEF Mu3 are equipped with active noice cancellation. |
| 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. |
| Max Input Power | - | 5 mW | |
| Sensitivity | - | 104 dB/mW | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 8.5 mm | 8.2 mm | JVC HA FX39BT Marshmallow have a thicker diaphragm than KEF Mu3. |
| Magnet Material | Neodymium | - |
| MICROPHONE | JVC HA FX39BT Marshmallow | KEF Mu3 |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | JVC HA FX39BT Marshmallow | KEF Mu3 |
|---|
| Controls | Volume control, play/pause, next/previous track | Multiple function button |
|---|
| CABLE | JVC HA FX39BT Marshmallow | KEF Mu3 |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | JVC HA FX39BT Marshmallow | KEF Mu3 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 50 mAh | |
| Battery Life | 14 hour(s) | 9 hour(s) | JVC HA FX39BT Marshmallow lasts longer on a single charge than the KEF Mu3. |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 9 hours Continuous playback (with included charging case): up to 24 hours |
|
| Charging Time | 3 hour(s) | - | |
| Included Qty | - | 2 |
| CONNECTIONS | JVC HA FX39BT Marshmallow | KEF Mu3 |
|---|
| Connector Type | Bluetooth USB |
- |
|---|
| OTHERS | JVC HA FX39BT Marshmallow | KEF Mu3 |
|---|
| Included Accessories | 2 pairs of ear tips (small, medium) | 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Compliant Standards | - | IPX5 |
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