In depth comparison and review of JBL Under Armour True Wireless Flash and Sennheiser CX True Wireless. 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 | JBL Under Armour True Wireless Flash | Sennheiser CX True Wireless |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 16 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
|
| Colour | Black | Black | White | |
| Protection | Waterproof, sweat-resistant, IPX7 | Splashproof, IPX4 | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JBL Under Armour True Wireless Flash | Sennheiser CX True Wireless |
|---|
| 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 4.2 | Bluetooth 5.2 | Sennheiser CX True Wireless have a more advanced version of Bluetooth than JBL Under Armour True Wireless Flash. |
| 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 | |
| Frequency Response | 20 - 22000 Hz | 5 - 21000 Hz | JBL Under Armour True Wireless Flash offer a larger frequency range than Sennheiser CX True Wireless. |
| Total Harmonic Distortion (THD) | - | <0.08% | |
| Sensitivity | 95 dB | 110 dB | Sennheiser CX True Wireless have higher sensitivity than JBL Under Armour True Wireless Flash. |
| Impedance | 14 Ohm | 16 Ohm | |
| Max Sound Pressure | 113 dB | 110 dB | |
| Diaphragm | 5.8 mm | 7 mm | Sennheiser CX True Wireless have a thicker diaphragm than JBL Under Armour True Wireless Flash. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | TrueResponse technology |
| MICROPHONE | JBL Under Armour True Wireless Flash | Sennheiser CX True Wireless |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | -25 dBV/Pascal | - | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | JBL Under Armour True Wireless Flash | Sennheiser CX True Wireless |
|---|
| Controls | Power on/off, answer/end, microphone on/mute, play/pause, next/previous track, reject call, voice assistant, TalkThru button | - |
|---|
| CABLE | JBL Under Armour True Wireless Flash | Sennheiser CX True Wireless |
|---|
| Cable Type | - | USB-C charge cable - detachable - 25 cm |
|---|
| FEATURES | JBL Under Armour True Wireless Flash | Sennheiser CX True Wireless |
|---|
| Features | True wireless | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect | |
| Intelligent Assistant | Siri, Google Now | Siri, Google Assistant |
| BATTERY AND CHARGING | JBL Under Armour True Wireless Flash | Sennheiser CX True Wireless |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 85 mAh | 60 mAh | JBL Under Armour True Wireless Flash have a higher battery capacity than Sennheiser CX True Wireless. |
| Battery Life | 5 hour(s) | 9 hour(s) | Sennheiser CX True Wireless lasts longer on a single charge than the JBL Under Armour True Wireless Flash. |
| Battery Life Details | - | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
|
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser CX True Wireless recharge faster than JBL Under Armour True Wireless Flash. |
| Included Qty | 2 | 2 |
| OTHERS | JBL Under Armour True Wireless Flash | Sennheiser CX True Wireless |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), micro-USB charging cable, 3 pairs of wing tips (small, medium, large), charging case (1500 mAh) | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | |
|---|---|---|---|
| Software Included | MapMyRun premium membership (12 months) | - | |
| Compliant Standards | IPX7 | Bluetooth Class 1 | |
| Service & Support | Limited warranty - 1 year | - |
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