Detailed comparison and review of Sennheiser CX 150BT 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 | Sennheiser CX 150BT | KEF Mu3 |
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Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
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Weight | 12 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 |
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Colour | Black | White | Silver grey | |
Protection | - | 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 | Sennheiser CX 150BT | KEF Mu3 |
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Headphones Form Factor | In-ear | In-ear | |
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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), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
Bluetooth Audio Codec | SBC, AAC | SBC, AAC | |
Active Noise Cancelling | - | Yes | KEF Mu3 are equipped with active noice cancellation. |
Sound Output Mode | Stereo | Stereo | |
Frequency Response | 17 - 20000 Hz | 20 - 20000 Hz | Sennheiser CX 150BT offer a larger frequency range than KEF Mu3. |
Max Input Power | - | 5 mW | |
Total Harmonic Distortion (THD) | 0.5% | - | |
Sensitivity | - | 104 dB/mW | |
Impedance | 28 Ohm | 16 Ohm | |
Max Sound Pressure | 100 dB | - | |
Diaphragm | - | 8.2 mm |
MICROPHONE | Sennheiser CX 150BT | KEF Mu3 |
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Form Factor | - | Built-in | |
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Type | On-cable | - | |
Microphone Operation Mode | Omni-directional | - |
REMOTE CONTROL | Sennheiser CX 150BT | KEF Mu3 |
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Controls | 3-button remote | Multiple function button |
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CABLE | Sennheiser CX 150BT | KEF Mu3 |
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Cable Type | USB-C charge cable | - |
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BATTERY AND CHARGING | Sennheiser CX 150BT | KEF Mu3 |
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Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
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Battery Capacity | - | 50 mAh | |
Battery Life | 10 hour(s) | 9 hour(s) | Sennheiser CX 150BT 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 |
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Included Qty | - | 2 |
OTHERS | Sennheiser CX 150BT | KEF Mu3 |
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Included Accessories | 4 pairs of ear tips (XS, S,M, L) | 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh) | |
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Compliant Standards | - | IPX5 | |
Service & Support | Limited warranty - 2 years | - |