In depth comparison and review of JVC HA FX39BT Marshmallow and Sennheiser CX True Wireless. 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 | Sennheiser CX True Wireless |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
|
| Colour | Green | White | Black | Black | White | |
| Protection | - | Splashproof, IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JVC HA FX39BT Marshmallow | Sennheiser CX True Wireless |
|---|
| Headphones Form Factor | In-ear - behind-the-neck mount | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 3.0 | Bluetooth 5.2 | Sennheiser CX True Wireless 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), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC | SBC, AAC, aptX | |
| Noise Isolating | Yes | Yes | Both headphones are equipped with noise isolation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX True Wireless offer a larger frequency range than JVC HA FX39BT Marshmallow. |
| Total Harmonic Distortion (THD) | - | <0.08% | |
| Sensitivity | - | 110 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | - | 110 dB | |
| Diaphragm | 8.5 mm | 7 mm | JVC HA FX39BT Marshmallow have a thicker diaphragm than Sennheiser CX True Wireless. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Magnet Material | Neodymium | - | |
| Features | - | TrueResponse technology |
| MICROPHONE | JVC HA FX39BT Marshmallow | Sennheiser CX True Wireless |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | JVC HA FX39BT Marshmallow | Sennheiser CX True Wireless |
|---|
| Controls | Volume control, play/pause, next/previous track | - |
|---|
| CABLE | JVC HA FX39BT Marshmallow | Sennheiser CX True Wireless |
|---|
| Cable Type | USB charge cable | USB-C charge cable - detachable - 25 cm |
|---|
| FEATURES | JVC HA FX39BT Marshmallow | Sennheiser CX True Wireless |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | JVC HA FX39BT Marshmallow | Sennheiser CX True Wireless |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 60 mAh | |
| Battery Life | 14 hour(s) | 9 hour(s) | JVC HA FX39BT Marshmallow lasts longer on a single charge than the Sennheiser CX True Wireless. |
| Battery Life Details | - | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
|
| Charging Time | 3 hour(s) | 1.5 hour(s) | Sennheiser CX True Wireless recharge faster than JVC HA FX39BT Marshmallow. |
| Included Qty | - | 2 |
| CONNECTIONS | JVC HA FX39BT Marshmallow | Sennheiser CX True Wireless |
|---|
| Connector Type | Bluetooth USB |
- |
|---|
| OTHERS | JVC HA FX39BT Marshmallow | Sennheiser CX True Wireless |
|---|
| Included Accessories | 2 pairs of ear tips (small, medium) | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Compliant Standards | - | Bluetooth Class 1 |
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