In depth comparison and review of Sennheiser CX 150BT and Huawei FreeBuds Pro 2. 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 150BT | Huawei FreeBuds Pro 2 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 2.37 cm | |
| Width | - | 2.91 cm | |
| Depth | - | 2.18 cm | |
| Weight | 12 g | 6.1 g | Huawei FreeBuds Pro 2 are lighter than Sennheiser CX 150BT headphones. |
| Dimensions & Weight Details | - | Earbud: 2.91 cm x 2.18 cm x 2.37 cm / 6.1 g Charging case: 6.79 cm x 2.45 cm x 4.75 cm / 52 g |
|
| Colour | Black | White | Silver blue | |
| Protection | - | Dust-resistant, wind protection, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Sennheiser CX 150BT | Huawei FreeBuds Pro 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Huawei FreeBuds Pro 2 have a more advanced version of Bluetooth than Sennheiser CX 150BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC | SBC, AAC, LDAC | |
| Active Noise Cancelling | - | Yes | Huawei FreeBuds Pro 2 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Intelligent Dynamic ANC 2.0 | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Dynamic equaliser | |
| Frequency Response | 17 - 20000 Hz | 14 - 48000 Hz | Huawei FreeBuds Pro 2 offer a larger frequency range than Sennheiser CX 150BT. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Impedance | 28 Ohm | - | |
| Max Sound Pressure | 100 dB | - | |
| Diaphragm | - | 11 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Huawei FreeBuds Pro 2 have the ability to connect to multiple devices simultaneously. |
| Features | - | Pure Voice Bone Conductor Sensor Technology |
| MICROPHONE | Sennheiser CX 150BT | Huawei FreeBuds Pro 2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Huawei FreeBuds Pro 2 microphone can cancel out ambient noise. |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sennheiser CX 150BT | Huawei FreeBuds Pro 2 |
|---|
| Controls | 3-button remote | Volume, answer/end, play/pause, next/previous track, ANC on/off, press control, swipe control |
|---|
| CABLE | Sennheiser CX 150BT | Huawei FreeBuds Pro 2 |
|---|
| Cable Type | USB-C charge cable | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 150BT | Huawei FreeBuds Pro 2 |
|---|
| Features | - | Transparent Hearing mode | |
|---|---|---|---|
| Sensors | - | Accelerometer, infrared (IR) sensor, bone sensor, gyroscope |
| BATTERY AND CHARGING | Sennheiser CX 150BT | Huawei FreeBuds Pro 2 |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 10 hour(s) | 6.5 hour(s) | Sennheiser CX 150BT lasts longer on a single charge than the Huawei FreeBuds Pro 2. |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 4 hours Continuous playback (noise cancelling OFF): up to 6.5 hours |
|
| Wireless Charging Standards | - | Qi | |
| Charging Time | - | 40 min | |
| Auto On/Off | - | Yes |
| OTHERS | Sennheiser CX 150BT | Huawei FreeBuds Pro 2 |
|---|
| Included Accessories | 4 pairs of ear tips (XS, S,M, L) | 3 pairs of silicone ear tips, USB-C charging cable, wireless charging case | |
|---|---|---|---|
| Compliant Standards | - | IP54, IEC 60529 | |
| Service & Support | Limited warranty - 2 years | - |
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