Side by side comparison and review of JBL Free X 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 | JBL Free X | Devialet Gemini |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 99 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 | Black | Matte black | |
| Protection | - | Splashproof, IPX4, dust-proof | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JBL Free X | Devialet Gemini |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Devialet Gemini have a more advanced version of Bluetooth than JBL Free X. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | 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 | 10 - 22000 Hz | 5 - 20000 Hz | JBL Free X offer a larger frequency range than Devialet Gemini. |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Diaphragm | 5.6 mm | 10 mm | Devialet Gemini have a thicker diaphragm than JBL Free X. |
| Features | - | Ear Active Matching, Pressure Balance Architecture |
| MICROPHONE | JBL Free X | Devialet Gemini |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | JBL Free X | Devialet Gemini |
|---|
| Controls | - | Play/pause, voice assistant, ANC/ambient |
|---|
| CABLE | JBL Free X | Devialet Gemini |
|---|
| Cable Type | Micro-USB charge cable | Charging cable - detachable |
|---|
| FEATURES | JBL Free X | Devialet Gemini |
|---|
| Features | True wireless | Touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | JBL Free X | Devialet Gemini |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 4 hour(s) | 6 hour(s) | Devialet Gemini lasts longer on a single charge than the JBL Free X. |
| 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 | 2 hour(s) | 1.5 hour(s) | Devialet Gemini recharge faster than JBL Free X. |
| WIRELESS LINK | JBL Free X | Devialet Gemini |
|---|
| Modulation Type | GFSK, 8-DPSK, DQPSK | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | JBL Free X | Devialet Gemini |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging case, 2 pairs of ear sleeves (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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