In depth comparison and review of Poly - Plantronics Backbeat Pro 5100 (Right Earbud) and KEF Mu3. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) | KEF Mu3 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 5.8 g | - | |
| Dimensions & Weight Details | Charging case with earphones: 38.6 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 | Silver grey | |
| Protection | Sweat-resistant, water-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 | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) | 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 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 | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | WindSmart technology | - | |
| 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 | |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 94 dB | 104 dB/mW | KEF Mu3 have higher sensitivity than Poly - Plantronics Backbeat Pro 5100 (Right Earbud). |
| Impedance | 16 Ohm | 16 Ohm | |
| Diaphragm | 5.8 mm | 8.2 mm | KEF Mu3 have a thicker diaphragm than Poly - Plantronics Backbeat Pro 5100 (Right Earbud). |
| MICROPHONE | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) | KEF Mu3 |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) | KEF Mu3 |
|---|
| Controls | Mute, volume, answer/end, play/pause, skip track, voice assistant | Multiple function button |
|---|
| CABLE | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) | KEF Mu3 |
|---|
| Cable Type | Micro-USB charge cable - detachable | - |
|---|
| FEATURES | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) | KEF Mu3 |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) | KEF Mu3 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 60 mAh | 50 mAh | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) have a higher battery capacity than KEF Mu3. |
| Battery Life | 6.5 hour(s) | 9 hour(s) | KEF Mu3 lasts longer on a single charge than the Poly - Plantronics Backbeat Pro 5100 (Right Earbud). |
| Battery Life Details | Continuous playback: up to 6.5 hours Continuous talk: up to 4 hours Continuous playback (with included charging case): up to 19 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 |
| OTHERS | Poly - Plantronics Backbeat Pro 5100 (Right Earbud) | KEF Mu3 |
|---|
| Included Accessories | 2 pairs of ear tips (small, large), charging case (440 mAh) | 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh) | |
|---|---|---|---|
| Compliant Standards | IP54 | IPX5 |
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