In depth comparison and review of Sennheiser CX True Wireless and Belkin SoundForm Flow. 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 | Belkin SoundForm Flow |
|---|
| 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 |
- | |
| Colour | Black | White | Black | White | |
| Protection | Splashproof, IPX4 | Sweat-resistant, IPX5, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX True Wireless | Belkin SoundForm Flow |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | 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 | Belkin SoundForm Flow are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Environmental Noise Cancellation (ENC) | |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX True Wireless offer a larger frequency range than Belkin SoundForm Flow. |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | 7 mm | 12 mm | Belkin SoundForm Flow have a thicker diaphragm than Sennheiser CX True Wireless. |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Magnet Material | - | Neodymium magnet | |
| Features | TrueResponse technology | HearThrough |
| MICROPHONE | Sennheiser CX True Wireless | Belkin SoundForm Flow |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Dual beamforming | |
| Noise Cancelling | - | Yes | Belkin SoundForm Flow microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 4 | 4 | Both headphones have a built-in microphone. |
| REMOTE CONTROL | Sennheiser CX True Wireless | Belkin SoundForm Flow |
|---|
| Controls | - | Answer/end, play/pause, next/previous track, reject call, HearThrough, voice assistant, ANC mode |
|---|
| CABLE | Sennheiser CX True Wireless | Belkin SoundForm Flow |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | USB-C charge cable |
|---|
| FEATURES | Sennheiser CX True Wireless | Belkin SoundForm Flow |
|---|
| Features | Touch control | LED indicator | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | - | |
| Sensors | - | Touch control |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | Belkin SoundForm Flow |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 60 mAh | - | |
| Battery Life | 9 hour(s) | 7 hour(s) | Sennheiser CX True Wireless lasts longer on a single charge than the Belkin SoundForm Flow. |
| 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 (with included charging case): up to 31 hours Continuous playback (active noise-cancelling on): up to 5 hours Continuous talk (active noise-cancelling on): up to 3 hours |
|
| Wireless Charging Standards | - | Qi | |
| Charging Time | 1.5 hour(s) | 2 hour(s) | Sennheiser CX True Wireless recharge faster than Sennheiser CX True Wireless. |
| Included Qty | 2 | - |
| OTHERS | Sennheiser CX True Wireless | Belkin SoundForm Flow |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | Charging case, 3 pairs of silicone ear tips (small, medium, large), USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone, Chrome OS, Mac, Windows | |
| Compliant Standards | Bluetooth Class 1 | FCC, RoHS, REACH, Qi | |
| Service & Support | - | Limited warranty - 1 year EMEA and ANZ: limited warranty - 2 years |
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