Side by side comparison and review of SOUL Impact Wireless 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 | SOUL Impact Wireless | KEF Mu3 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 2.6 cm | - | |
| Width | 2.1 cm | - | |
| Depth | 2.4 cm | - | |
| Weight | 14 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 | Chrome black | White | Silver grey | |
| Protection | Sweat-resistant | Splashproof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | SOUL Impact Wireless | KEF Mu3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | KEF Mu3 have a more advanced version of Bluetooth than SOUL Impact Wireless. |
| 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 | |
| Max Input Power | - | 5 mW | |
| Sensitivity | - | 104 dB/mW | |
| Impedance | - | 16 Ohm | |
| Diaphragm | - | 8.2 mm | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | SOUL Impact Wireless | KEF Mu3 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | SOUL Impact Wireless | KEF Mu3 |
|---|
| Controls | Answer/end | Multiple function button |
|---|
| CABLE | SOUL Impact Wireless | KEF Mu3 |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | SOUL Impact Wireless | KEF Mu3 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 50 mAh | |
| Battery Life | 8 hour(s) | 9 hour(s) | KEF Mu3 lasts longer on a single charge than the SOUL Impact Wireless. |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 9 hours Continuous playback (with included charging case): up to 24 hours |
|
| Included Qty | - | 2 |
| WIRELESS LINK | SOUL Impact Wireless | KEF Mu3 |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | SOUL Impact Wireless | KEF Mu3 |
|---|
| Included Accessories | Carrying pouch, 4 pairs of ear tips, cable clip | 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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