In depth comparison and review of Sennheiser CX True Wireless and JBL Wave Flex. 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 | JBL Wave Flex |
|---|
| 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 |
Earbud: 1.857 cm x 3.348 cm x 1.846 cm / 3.8 g Charging case: 4.937 cm x 5.484 cm x 2.585 cm / 35.1 g |
|
| Colour | Black | White | White | Black | Beige | Blue | |
| Protection | Splashproof, IPX4 | Dust-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX True Wireless | JBL Wave Flex |
|---|
| 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) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | - | |
| Noise Isolating | Yes | - | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Bass Boost | Deep Bass | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX True Wireless offer a larger frequency range than JBL Wave Flex. |
| Total Harmonic Distortion (THD) | <0.08% | - | |
| Sensitivity | 110 dB | 105 dB | Sennheiser CX True Wireless have higher sensitivity than JBL Wave Flex. |
| Impedance | 16 Ohm | 16 Ohm | |
| Max Sound Pressure | 110 dB | 95 dB | |
| Diaphragm | 7 mm | 12 mm | JBL Wave Flex have a thicker diaphragm than Sennheiser CX True Wireless. |
| Simultaneously Connectable Devices Qty (Multipoint) | 1 | - | |
| Features | TrueResponse technology | - |
| MICROPHONE | Sennheiser CX True Wireless | JBL Wave Flex |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 4 | - |
| CABLE | Sennheiser CX True Wireless | JBL Wave Flex |
|---|
| Cable Type | USB-C charge cable - detachable - 25 cm | - |
|---|
| FEATURES | Sennheiser CX True Wireless | JBL Wave Flex |
|---|
| Features | Touch control | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | Yes | - | |
| Voice Control | Indirect | - | |
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX True Wireless | JBL Wave Flex |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 60 mAh | 40 mAh | Sennheiser CX True Wireless have a higher battery capacity than JBL Wave Flex. |
| Battery Life | 9 hour(s) | - | |
| Battery Life Details | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
Continuous playback: up to 8 hours Continuous playback (with included charging case): up to 32 hours Continuous talk: up to 4.5 hours |
|
| Charging Time | 1.5 hour(s) | 2 hours | Sennheiser CX True Wireless recharge faster than Sennheiser CX True Wireless. |
| Included Qty | 2 | - |
| OTHERS | Sennheiser CX True Wireless | JBL Wave Flex |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | Charging case (500 mAh), USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1 | IP54 |
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