Detailed comparison and review of JBL Free X and KEF Mu3. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | JBL Free X | KEF Mu3 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 99 g | - | |
| Dimensions & Weight Details | - | Earbud: 1.75 cm x 2.63 cm x 2.45 cm / 5.8 g Charging case: 6.2 cm x 5.2 cm x 3.35 cm / 46.8 g |
|
| Colour | Black | Silver grey | |
| Protection | - | Splashproof | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JBL Free X | KEF Mu3 |
|---|
| 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 | KEF Mu3 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 | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | KEF Mu3 are equipped with active noice cancellation. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 10 - 22000 Hz | 20 - 20000 Hz | JBL Free X offer a larger frequency range than KEF Mu3. |
| Max Input Power | - | 5 mW | |
| Sensitivity | - | 104 dB/mW | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 5.6 mm | 8.2 mm | KEF Mu3 have a thicker diaphragm than JBL Free X. |
| MICROPHONE | JBL Free X | KEF Mu3 |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | JBL Free X | KEF Mu3 |
|---|
| Controls | - | Multiple function button |
|---|
| CABLE | JBL Free X | KEF Mu3 |
|---|
| Cable Type | Micro-USB charge cable | - |
|---|
| FEATURES | JBL Free X | KEF Mu3 |
|---|
| Features | True wireless | - |
|---|
| BATTERY AND CHARGING | JBL Free X | KEF Mu3 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 50 mAh | |
| Battery Life | 4 hour(s) | 9 hour(s) | KEF Mu3 lasts longer on a single charge than the JBL Free X. |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 9 hours Continuous playback (with included charging case): up to 24 hours |
|
| Charging Time | 2 hour(s) | - | |
| Included Qty | - | 2 |
| WIRELESS LINK | JBL Free X | KEF Mu3 |
|---|
| Modulation Type | GFSK, 8-DPSK, DQPSK | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | JBL Free X | KEF Mu3 |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging case, 2 pairs of ear sleeves (medium, large) | 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IPX5 | |
| Service & Support | Limited warranty - 1 year | - |
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