In depth comparison and review of Devialet Gemini and JVC HA FX9BT. 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 | Devialet Gemini | JVC HA FX9BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | Gumy | |
| Weight | - | 12 g | |
| Dimensions & Weight Details | Charging case: 5.8 cm x 7.4 cm x 3.1 cm / 76 g Earbud: 1.8 cm x 3.3 cm x 1.5 cm / 8 g |
- | |
| Colour | Matte black | Black | White | |
| Body Material | - | Elastomer | |
| Protection | Splashproof, IPX4, dust-proof | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Devialet Gemini | JVC HA FX9BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 4.1 | Devialet Gemini have a more advanced version of Bluetooth than JVC HA FX9BT. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | aptX | SBC | |
| Active Noise Cancelling | Yes | - | Devialet Gemini are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Internal Delay Compensation technology | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 20000 Hz | 20 - 20000 Hz | Devialet Gemini offer a larger frequency range than JVC HA FX9BT. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Diaphragm | 10 mm | 9 mm | Devialet Gemini have a thicker diaphragm than JVC HA FX9BT. |
| Magnet Material | - | Neodymium | |
| Features | Ear Active Matching, Pressure Balance Architecture | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Devialet Gemini | JVC HA FX9BT |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Devialet Gemini | JVC HA FX9BT |
|---|
| Controls | Play/pause, voice assistant, ANC/ambient | Volume, play/pause, next/previous track |
|---|
| CABLE | Devialet Gemini | JVC HA FX9BT |
|---|
| Cable Type | Charging cable - detachable | USB cable |
|---|
| FEATURES | Devialet Gemini | JVC HA FX9BT |
|---|
| Features | Touch control | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Devialet Gemini | JVC HA FX9BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 6 hour(s) | 5 hour(s) | Devialet Gemini lasts longer on a single charge than the JVC HA FX9BT. |
| Battery Life Details | Continuous playback (noise cancelling ON): up to 6 hours Continuous talk: up to 4 hours Continuous talk (noise cancelling OFF): up to 4.5 hours Continuous playback (with included charging case): up to 24 hours |
- | |
| Charging Time | 1.5 hour(s) | 2.5 hour(s) | Devialet Gemini recharge faster than Devialet Gemini. |
| CONNECTIONS | Devialet Gemini | JVC HA FX9BT |
|---|
| Connector Type | - | Bluetooth USB |
|---|
| OTHERS | Devialet Gemini | JVC HA FX9BT |
|---|
| Included Accessories | Charging case, charging cable, 4 pairs of ear tips (XS, small, medium, large) | 2 pairs of ear tips (small, medium) | |
|---|---|---|---|
| Compliant Standards | IPX4 | - |
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