Detailed comparison and review of Soundcore Spirit 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 | Soundcore Spirit X | KEF Mu3 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 23 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 | - | Silver grey | |
| Protection | Water-resistant, IPX7 | Splashproof | |
| Design | Sports | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Soundcore Spirit X | KEF Mu3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 | Both headphones have the same Bluetooth version. |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | - | Yes | KEF Mu3 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 16 - 20000 Hz | 20 - 20000 Hz | Soundcore Spirit X offer a larger frequency range than KEF Mu3. |
| Max Input Power | - | 5 mW | |
| Sensitivity | - | 104 dB/mW | |
| Impedance | 16 Ohm | 16 Ohm | |
| Diaphragm | 10 mm | 8.2 mm | Soundcore Spirit X have a thicker diaphragm than KEF Mu3. |
| MICROPHONE | Soundcore Spirit X | KEF Mu3 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Soundcore Spirit X | KEF Mu3 |
|---|
| Controls | 3-button remote | Multiple function button |
|---|
| CABLE | Soundcore Spirit X | KEF Mu3 |
|---|
| Cable Type | Micro-USB cable | - |
|---|
| BATTERY AND CHARGING | Soundcore Spirit X | KEF Mu3 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 50 mAh | |
| Battery Life | 12 hour(s) | 9 hour(s) | Soundcore Spirit X lasts longer on a single charge than the KEF Mu3. |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 9 hours Continuous playback (with included charging case): up to 24 hours |
|
| Charging Time | 1.5 hour(s) | - | |
| Included Qty | - | 2 |
| OTHERS | Soundcore Spirit X | KEF Mu3 |
|---|
| Included Accessories | Clothing clip, cable clip, 4 pairs of ear tips (small, medium, large, XL), 3 pairs of EarWings, travel pouch | 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IPX5 |
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