In depth comparison and review of JBL Free X and JBL Under Armour True Wireless Flash. 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 Free X | JBL Under Armour True Wireless Flash |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 99 g | 16 g | JBL Under Armour True Wireless Flash are lighter than JBL Free X headphones. |
| Colour | Black | Black | |
| Protection | - | Waterproof, sweat-resistant, IPX7 | |
| Design | - | Sports | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | JBL Free X | JBL Under Armour True Wireless Flash |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.2 | 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) | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 10 - 22000 Hz | 20 - 22000 Hz | JBL Free X offer a larger frequency range than JBL Under Armour True Wireless Flash. |
| Sensitivity | - | 95 dB | |
| Impedance | - | 14 Ohm | |
| Max Sound Pressure | - | 113 dB | |
| Diaphragm | 5.6 mm | 5.8 mm | JBL Under Armour True Wireless Flash have a thicker diaphragm than JBL Free X. |
| Features | - | TalkThru technology, JBL Charged Sound, Ambient Aware |
| MICROPHONE | JBL Free X | JBL Under Armour True Wireless Flash |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -25 dBV/Pascal |
| REMOTE CONTROL | JBL Free X | JBL Under Armour True Wireless Flash |
|---|
| Controls | - | Power on/off, answer/end, microphone on/mute, play/pause, next/previous track, reject call, voice assistant, TalkThru button |
|---|
| CABLE | JBL Free X | JBL Under Armour True Wireless Flash |
|---|
| Cable Type | Micro-USB charge cable | - |
|---|
| FEATURES | JBL Free X | JBL Under Armour True Wireless Flash |
|---|
| Features | True wireless | True wireless | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Now |
| BATTERY AND CHARGING | JBL Free X | JBL Under Armour True Wireless Flash |
|---|
| Battery Type | Headphone battery rechargeable | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 85 mAh | |
| Battery Life | 4 hour(s) | 5 hour(s) | JBL Under Armour True Wireless Flash lasts longer on a single charge than the JBL Free X. |
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| WIRELESS LINK | JBL Free X | JBL Under Armour True Wireless Flash |
|---|
| Modulation Type | GFSK, 8-DPSK, DQPSK | - | |
|---|---|---|---|
| Radio Frequency Range | 2.402 - 2.480GHz | - |
| OTHERS | JBL Free X | JBL Under Armour True Wireless Flash |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging case, 2 pairs of ear sleeves (medium, large) | 3 pairs of ear tips (small, medium, large), micro-USB charging cable, 3 pairs of wing tips (small, medium, large), charging case (1500 mAh) | |
|---|---|---|---|
| Software Included | - | MapMyRun premium membership (12 months) | |
| Compliant Standards | - | IPX7 | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 1 year |
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