Detailed comparison and review of Sony MDR XB50BS 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 | Sony MDR XB50BS | KEF Mu3 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | Sports | - | |
| Weight | 22 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 | Blue | Red | Silver grey | |
| Protection | Splashproof | 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 | Sony MDR XB50BS | KEF Mu3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| 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 Sony MDR XB50BS. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), 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 | |
| Sound Effects | Extra Bass | - | |
| Frequency Response | 4 - 24000 Hz | 20 - 20000 Hz | Sony MDR XB50BS offer a larger frequency range than KEF Mu3. |
| Max Input Power | - | 5 mW | |
| Sensitivity | - | 104 dB/mW | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 12 mm | 8.2 mm | Sony MDR XB50BS have a thicker diaphragm than KEF Mu3. |
| Magnet Material | Neodymium | - |
| MICROPHONE | Sony MDR XB50BS | KEF Mu3 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Frequency Response | 50 - 8000 Hz | - | |
| Audio Input Details | Omni-directional | - |
| REMOTE CONTROL | Sony MDR XB50BS | KEF Mu3 |
|---|
| Controls | Volume control | Multiple function button |
|---|
| CABLE | Sony MDR XB50BS | KEF Mu3 |
|---|
| Cable Type | Micro-USB cable - 50 cm | - |
|---|
| BATTERY AND CHARGING | Sony MDR XB50BS | KEF Mu3 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 50 mAh | |
| Battery Life | 8.5 hour(s) | 9 hour(s) | KEF Mu3 lasts longer on a single charge than the Sony MDR XB50BS. |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 9 hours Continuous playback (with included charging case): up to 24 hours |
|
| Standby Time | 200 hours | - | |
| Charging Time | 2.5 hour(s) | - | |
| Included Qty | - | 2 |
| WIRELESS LINK | Sony MDR XB50BS | KEF Mu3 |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Modulation Type | FHSS | - | |
| Radio Frequency Range | 2.4 - 2.4835GHz | - |
| CONNECTIONS | Sony MDR XB50BS | KEF Mu3 |
|---|
| Connector Type | Bluetooth USB |
- |
|---|
| OTHERS | Sony MDR XB50BS | KEF Mu3 |
|---|
| Included Accessories | Long hybrid silicone rubber earbuds (SS, S, M, L x2 sizes), arc supporters (S, M, L x2 sizes) | 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IPX5 |
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