Side by side comparison and review of Devialet Gemini and JVC HA A3T. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Devialet Gemini | JVC HA A3T |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 4.1 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 |
Charging case with earphones: 39 g Earphone: 4.1 g |
|
| Colour | Matte black | Black | White | |
| Protection | Splashproof, IPX4, dust-proof | Sweat-resistant, rainproof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Devialet Gemini | JVC HA A3T |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.1 | JVC HA A3T 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 | - | Devialet Gemini are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Internal Delay Compensation technology | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 5 - 20000 Hz | 20 - 20000 Hz | Devialet Gemini offer a larger frequency range than JVC HA A3T. |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 10 mm | 11 mm | JVC HA A3T have a thicker diaphragm than Devialet Gemini. |
| Magnet Material | - | Neodymium | |
| Features | Ear Active Matching, Pressure Balance Architecture | - |
| MICROPHONE | Devialet Gemini | JVC HA A3T |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Devialet Gemini | JVC HA A3T |
|---|
| Controls | Play/pause, voice assistant, ANC/ambient | Voice assistant |
|---|
| CABLE | Devialet Gemini | JVC HA A3T |
|---|
| Cable Type | Charging cable - detachable | USB-C charge cable - detachable |
|---|
| FEATURES | Devialet Gemini | JVC HA A3T |
|---|
| Features | Touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Devialet Gemini | JVC HA A3T |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | 6 hour(s) | 7.5 hour(s) | JVC HA A3T 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 (with included charging case): up to 22 hour(s) | |
| Charging Time | 1.5 hour(s) | 2 hour(s) | Devialet Gemini recharge faster than Devialet Gemini. |
| CONNECTIONS | Devialet Gemini | JVC HA A3T |
|---|
| Connector Type | - | USB-C (power only) |
|---|
| OTHERS | Devialet Gemini | JVC HA A3T |
|---|
| Included Accessories | Charging case, charging cable, 4 pairs of ear tips (XS, small, medium, large) | Charging case, USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | IPX4 | IPX4 | |
| Service & Support | - | 2-year warranty |
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