Side by side comparison and review of JVC HA A7T and Devialet Gemini. 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 | JVC HA A7T | Devialet Gemini |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | Gumy | - | |
| Weight | 9.5 g | - | |
| Dimensions & Weight Details | Earphone: 9.5 g Charging case: 38.9 g |
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 | Mint green | Coconut white | Olive black | Peach pink | Soda blue | Matte black | |
| Protection | Rainproof, IPX4 | Splashproof, IPX4, dust-proof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | JVC HA A7T | Devialet Gemini |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC | aptX | |
| 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 | 20 - 20000 Hz | 5 - 20000 Hz | Devialet Gemini offer a larger frequency range than JVC HA A7T. |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | 10 mm | Devialet Gemini have a thicker diaphragm than JVC HA A7T. |
| Magnet Material | Neodymium | - | |
| Features | - | Ear Active Matching, Pressure Balance Architecture |
| MICROPHONE | JVC HA A7T | Devialet Gemini |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | JVC HA A7T | Devialet Gemini |
|---|
| Controls | Voice assistant | Play/pause, voice assistant, ANC/ambient |
|---|
| CABLE | JVC HA A7T | Devialet Gemini |
|---|
| Cable Type | USB charge cable - detachable | Charging cable - detachable |
|---|
| FEATURES | JVC HA A7T | Devialet Gemini |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | JVC HA A7T | Devialet Gemini |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 15 hour(s) | 6 hour(s) | JVC HA A7T lasts longer on a single charge than the Devialet Gemini. |
| Battery Life Details | Continuous playback: up to 6 hours Continuous playback (with included charging case): up to 15 hours |
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 | 2 hour(s) | 1.5 hour(s) | Devialet Gemini recharge faster than JVC HA A7T. |
| CONNECTIONS | JVC HA A7T | Devialet Gemini |
|---|
| Connector Type | USB (power only) (micro-USB) Bluetooth |
- |
|---|
| OTHERS | JVC HA A7T | Devialet Gemini |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large) | Charging case, charging cable, 4 pairs of ear tips (XS, small, medium, large) | |
|---|---|---|---|
| Compliant Standards | - | IPX4 | |
| Service & Support | Limited warranty - 1 year | - |
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