In depth comparison and review of JVC HA FX39BT Marshmallow and Jaybird X4. 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 X4 |
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Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
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Height | - | 24.2 cm | |
Width | - | 54.5 cm | |
Depth | - | 1.3 cm | |
Weight | 28 g | 14.7 g | Jaybird X4 are lighter than JVC HA FX39BT Marshmallow headphones. |
Dimensions & Weight Details | - | Earphone: 54.5 cm x 1.3 cm x 24.2 cm / 14.7 g Control unit: 4.25 cm x 1.16 cm x 0.53 cm Cradle: 9.8 cm x 1.81 cm x 0.96 cm / 5.5 g |
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Colour | Green | White | Black | Jade, alfa metallic | Flash, black metallic | Glacier, storm metallic | |
Protection | - | Waterproof, sweat-resistant, IPX7 | |
Design | - | Sports | |
Recommended Use | Portable electronics | Portable electronics | |
Bluetooth Range (Operating Distance) | - | 10 m |
SOUND QUALITY | JVC HA FX39BT Marshmallow | Jaybird X4 |
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Headphones Form Factor | In-ear - behind-the-neck mount | In-ear | |
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Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | Bluetooth | |
Bluetooth Version | Bluetooth 3.0 | Bluetooth 4.1 | Jaybird X4 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, AAC | |
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 | - | 10 mW | |
Total Harmonic Distortion (THD) | - | <5% | |
Sensitivity | - | 99 dB | |
Impedance | - | 16 Ohm | |
Diaphragm | 8.5 mm | 6 mm | JVC HA FX39BT Marshmallow have a thicker diaphragm than Jaybird X4. |
Magnet Material | Neodymium | - | |
In-Cord Volume Control | - | Yes |
MICROPHONE | JVC HA FX39BT Marshmallow | Jaybird X4 |
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Form Factor | Built-in | - | |
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Microphone Operation Mode | - | Omni-directional | |
Audio Input Details | - | Omni-directional | |
Sensitivity | - | -38 dB | |
Max Sound Pressure | - | 94 dB |
REMOTE CONTROL | JVC HA FX39BT Marshmallow | Jaybird X4 |
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Controls | Volume control, play/pause, next/previous track | Volume control, answer/end, play/pause, next/previous track |
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CABLE | JVC HA FX39BT Marshmallow | Jaybird X4 |
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Cable Type | USB charge cable | - |
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BATTERY AND CHARGING | JVC HA FX39BT Marshmallow | Jaybird X4 |
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Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
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Battery Life | 14 hour(s) | 8 hour(s) | JVC HA FX39BT Marshmallow lasts longer on a single charge than the Jaybird X4. |
Charging Time | 3 hour(s) | 2 hour(s) | Jaybird X4 recharge faster than JVC HA FX39BT Marshmallow. |
CONNECTIONS | JVC HA FX39BT Marshmallow | Jaybird X4 |
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Connector Type | Bluetooth USB |
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OTHERS | JVC HA FX39BT Marshmallow | Jaybird X4 |
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Included Accessories | 2 pairs of ear tips (small, medium) | Carrying pouch, clothing clip, charging cradle, 3 sizes secure-fit ear fins, Comply ultra ear tips (M/L), oval silicone ear tips (S/L), speed cinch | |
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Compatibility | iPhone, iPad, iPod, Android phone | - | |
Service & Support | - | Limited warranty - 1 year |