Side by side comparison and review of JBL Free II and KEF Mu3. 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 II | KEF Mu3 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 4.8 g | - | |
| Dimensions & Weight Details | Earphone: 4.8 g Charging case: 52 g |
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 | White | Silver grey | |
| Protection | Splashproof, IPX4 | Splashproof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JBL Free II | KEF Mu3 |
|---|
| 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, AAC | |
| Active Noise Cancelling | - | Yes | KEF Mu3 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | - | 5 mW | |
| Sensitivity | 100 dB | 104 dB/mW | KEF Mu3 have higher sensitivity than JBL Free II. |
| Impedance | 16 Ohm | 16 Ohm | |
| Max Sound Pressure | 95 dB | - | |
| Diaphragm | 5.6 mm | 8.2 mm | KEF Mu3 have a thicker diaphragm than JBL Free II. |
| MICROPHONE | JBL Free II | KEF Mu3 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | -38 dBV/Pascal | - |
| REMOTE CONTROL | JBL Free II | KEF Mu3 |
|---|
| Controls | - | Multiple function button |
|---|
| CABLE | JBL Free II | KEF Mu3 |
|---|
| Cable Type | USB-C charge cable | - |
|---|
| FEATURES | JBL Free II | KEF Mu3 |
|---|
| Features | Touch control | - |
|---|
| BATTERY AND CHARGING | JBL Free II | KEF Mu3 |
|---|
| Battery Type | 2 x headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 50 mAh | JBL Free II have a higher battery capacity than KEF Mu3. |
| Battery Life | 6 hour(s) | 9 hour(s) | KEF Mu3 lasts longer on a single charge than the JBL Free II. |
| Battery Life Details | (with included charging case): up to 24 hours | 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 | 2 |
| OTHERS | JBL Free II | KEF Mu3 |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging case (650 mAh) | 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IPX5 |
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