Side by side comparison and review of Sennheiser CX 350BT and Huawei FreeBuds 4. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser CX 350BT | Huawei FreeBuds 4 |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 13 g | - | |
| Dimensions & Weight Details | - | Charging case: 5.8 cm x 5.8 cm x 2.12 cm / 38 g Earbud: 1.68 cm x 1.85 cm x 4.14 cm / 4.1 g |
|
| Colour | Black | White | Ceramic white | Silver frost | |
| Protection | - | Splashproof, dust-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Sennheiser CX 350BT | Huawei FreeBuds 4 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | Huawei FreeBuds 4 have a more advanced version of Bluetooth than Sennheiser CX 350BT. |
| 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, apt-X LL | SBC, AAC | |
| Active Noise Cancelling | - | Yes | Huawei FreeBuds 4 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | - | 14.3 mm |
| MICROPHONE | Sennheiser CX 350BT | Huawei FreeBuds 4 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Mono | - | |
| Noise Cancelling | - | Yes | Huawei FreeBuds 4 microphone can cancel out ambient noise. |
| Audio Input Details | Omni-directional | - |
| REMOTE CONTROL | Sennheiser CX 350BT | Huawei FreeBuds 4 |
|---|
| Controls | Answer/end, play/pause, next/previous track | Swipe control |
|---|
| FEATURES | Sennheiser CX 350BT | Huawei FreeBuds 4 |
|---|
| Sensors | - | Wear sensor |
|---|
| BATTERY AND CHARGING | Sennheiser CX 350BT | Huawei FreeBuds 4 |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 30 mAh | |
| Battery Life | 10 hour(s) | 4 hour(s) | Sennheiser CX 350BT lasts longer on a single charge than the Huawei FreeBuds 4. |
| Battery Life Details | Continuous playback: up to 10 hours Standby: up to 340 hours |
Continuous playback (active noise-cancelling off): up to 4 hours Continuous playback (active noise-cancelling on): up to 2.7 hours Continuous playback (active noise-cancelling off) (with included charging case): up to 22 hours Continuous playback (active noise-cancelling on) (with included charging case): up to 14 hours Continuous talk (active noise-cancelling off): up to 2.3 hours Continuous talk (active noise-cancelling on): up to 2 hours |
|
| Charging Time | - | 1 hour(s) |
| OTHERS | Sennheiser CX 350BT | Huawei FreeBuds 4 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large) | USB-C charging cable, charging case (410 mAh) | |
|---|---|---|---|
| Compliant Standards | - | RoHS, halogen-free, IPX4 | |
| Service & Support | Limited warranty - 2 years | - |
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