In depth comparison and review of Devialet Gemini and JVC HA A30T. 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 A30T |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| 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 |
Earphone: 1.76 cm x 1.56 cm x 1.66 cm Charging case: 5.4 cm x 3.8 cm x 3.4 cm / 28 g |
|
| Colour | Matte black | Black | White | |
| Protection | Splashproof, IPX4, dust-proof | IPX4 | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Devialet Gemini | JVC HA A30T |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | JVC HA A30T have a more advanced version of Bluetooth than Devialet Gemini. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | aptX | SBC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Internal Delay Compensation technology | - | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Bass Boost | |
| Frequency Response | 5 - 20000 Hz | 20 - 20000 Hz | Devialet Gemini offer a larger frequency range than JVC HA A30T. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 10 mm | 6 mm | Devialet Gemini have a thicker diaphragm than JVC HA A30T. |
| Magnet Material | - | Neodymium | |
| Features | Ear Active Matching, Pressure Balance Architecture | - |
| MICROPHONE | Devialet Gemini | JVC HA A30T |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Devialet Gemini | JVC HA A30T |
|---|
| Controls | Play/pause, voice assistant, ANC/ambient | Voice assistant |
|---|
| CABLE | Devialet Gemini | JVC HA A30T |
|---|
| Cable Type | Charging cable - detachable | - |
|---|
| FEATURES | Devialet Gemini | JVC HA A30T |
|---|
| Features | Touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Devialet Gemini | JVC HA A30T |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 6 hour(s) | 9 hour(s) | JVC HA A30T lasts longer on a single charge than the Devialet Gemini. |
| 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 |
Continuous playback: up to 9 hours Continuous playback (active noise-cancelling on): up to 7.5 hours |
|
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Devialet Gemini | JVC HA A30T |
|---|
| Included Accessories | Charging case, charging cable, 4 pairs of ear tips (XS, small, medium, large) | 3 pairs of ear tips (small, medium, large), charging case, USB charge cable | |
|---|---|---|---|
| Compliant Standards | IPX4 | - | |
| Service & Support | - | 2-year warranty |
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