In depth comparison and review of Sennheiser CX True Wireless and Xiaomi Buds 3. 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 | Sennheiser CX True Wireless | Xiaomi Buds 3 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
Earphone: 4.6 g Charging case with earphones: 52 g |
|
| Colour | Black | White | Carbon black | |
| Protection | Splashproof, IPX4 | Dust-resistant, sweat-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX True Wireless | Xiaomi Buds 3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.2 | 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, aptX | - | |
| Active Noise Cancelling | - | Yes | Xiaomi Buds 3 are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 5 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | 7 mm | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Features | TrueResponse technology | - |
| MICROPHONE | Sennheiser CX True Wireless | Xiaomi Buds 3 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 4 | 3 | Sennheiser CX True Wireless have a built-in microphone. |
| CABLE | Sennheiser CX True Wireless | Xiaomi Buds 3 |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX True Wireless | Xiaomi Buds 3 |
|---|
| Features | Touch control | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | Xiaomi Buds 3 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 60 mAh | 38 mAh | Sennheiser CX True Wireless have a higher battery capacity than Xiaomi Buds 3. |
| Battery Life | 9 hour(s) | 7 hour(s) | Sennheiser CX True Wireless lasts longer on a single charge than the Xiaomi Buds 3. |
| Battery Life Details | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
Continuous playback (active noise-cancelling off): up to 7 hours Continuous playback (active noise-cancelling off) (with included charging case): up to 35 hours |
|
| Wireless Charging Standards | - | Qi | |
| Charging Time | 1.5 hour(s) | - | |
| Included Qty | 2 | - |
| CONNECTIONS | Sennheiser CX True Wireless | Xiaomi Buds 3 |
|---|
| Connector Type | - | USB (power only) (USB Type-C) |
|---|
| OTHERS | Sennheiser CX True Wireless | Xiaomi Buds 3 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | 3 pairs of silicone ear tips (small, medium, large), charging case (480 mAh) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1 | IP55 | |
| Service & Support | - | Limited warranty - 2 years |
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