In depth comparison and review of Jaybird X4 and Devialet Gemini. 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 | Jaybird X4 | Devialet Gemini |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 24.2 cm | - | |
| Width | 54.5 cm | - | |
| Depth | 1.3 cm | - | |
| Weight | 14.7 g | - | |
| Dimensions & Weight Details | Earphone: 54.5 cm x 1.3 cm x 24.2 cm / 14.7 g Control unit: 4.25 cm x 1.16 cm x 0.53 cm Cradle: 9.8 cm x 1.81 cm x 0.96 cm / 5.5 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 | Jade, alfa metallic | Flash, black metallic | Glacier, storm metallic | Matte black | |
| Protection | Waterproof, sweat-resistant, IPX7 | Splashproof, IPX4, dust-proof | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Jaybird X4 | Devialet Gemini |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Devialet Gemini have a more advanced version of Bluetooth than Jaybird X4. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Serial Port Profile (SPP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC | 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 | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 20000 Hz | Devialet Gemini offer a larger frequency range than Jaybird X4. |
| Max Input Power | 10 mW | - | |
| Total Harmonic Distortion (THD) | <5% | <0.1% | Devialet Gemini have lower total harmonic distortion than Jaybird X4. |
| Sensitivity | 99 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 6 mm | 10 mm | Devialet Gemini have a thicker diaphragm than Jaybird X4. |
| Features | - | Ear Active Matching, Pressure Balance Architecture | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Jaybird X4 | Devialet Gemini |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | -38 dB | - | |
| Max Sound Pressure | 94 dB | - |
| REMOTE CONTROL | Jaybird X4 | Devialet Gemini |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track | Play/pause, voice assistant, ANC/ambient |
|---|
| CABLE | Jaybird X4 | Devialet Gemini |
|---|
| Cable Type | - | Charging cable - detachable |
|---|
| FEATURES | Jaybird X4 | Devialet Gemini |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Jaybird X4 | Devialet Gemini |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 8 hour(s) | 6 hour(s) | Jaybird X4 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 |
|
| Charging Time | 2 hour(s) | 1.5 hour(s) | Devialet Gemini recharge faster than Jaybird X4. |
| OTHERS | Jaybird X4 | Devialet Gemini |
|---|
| Included Accessories | Carrying pouch, clothing clip, charging cradle, 3 sizes secure-fit ear fins, Comply ultra ear tips (M/L), oval silicone ear tips (S/L), speed cinch | 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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