In depth comparison and review of JBL Under Armour True Wireless Flash and JBL LIVE FREE NC+ TWS. 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 | JBL LIVE FREE NC+ TWS |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 16 g | 14.6 g | JBL LIVE FREE NC+ TWS are lighter than JBL Under Armour True Wireless Flash headphones. |
| Dimensions & Weight Details | - | Charging case: | |
| Colour | Black | Black | Rose | Blue | White | |
| Protection | Waterproof, sweat-resistant, IPX7 | Sweat-resistant, water-resistant, IPX7 | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JBL Under Armour True Wireless Flash | JBL LIVE FREE NC+ TWS |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.1 | JBL LIVE FREE NC+ TWS 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) | |
| Active Noise Cancelling | - | Yes | JBL LIVE FREE NC+ TWS are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | JBL Under Armour True Wireless Flash offer a larger frequency range than JBL LIVE FREE NC+ TWS. |
| Sensitivity | 95 dB | 96 dB | JBL LIVE FREE NC+ TWS have higher sensitivity than JBL Under Armour True Wireless Flash. |
| Impedance | 14 Ohm | 16 Ohm | |
| Max Sound Pressure | 113 dB | 94 dB | |
| Diaphragm | 5.8 mm | 6.8 mm | JBL LIVE FREE NC+ TWS have a thicker diaphragm than JBL Under Armour True Wireless Flash. |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | TalkThru technology, Ambient Aware |
| MICROPHONE | JBL Under Armour True Wireless Flash | JBL LIVE FREE NC+ TWS |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | -25 dBV/Pascal | -26 dBV/Pascal |
| REMOTE CONTROL | JBL Under Armour True Wireless Flash | JBL LIVE FREE NC+ TWS |
|---|
| Controls | Power on/off, answer/end, microphone on/mute, play/pause, next/previous track, reject call, voice assistant, TalkThru button | Voice assistant |
|---|
| FEATURES | JBL Under Armour True Wireless Flash | JBL LIVE FREE NC+ TWS |
|---|
| Features | True wireless | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | Siri, Google Now | Google Assistant, Alexa |
| BATTERY AND CHARGING | JBL Under Armour True Wireless Flash | JBL LIVE FREE NC+ TWS |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | 2 x headphone battery rechargeable - Lithium Ion - - wireless charging | |
|---|---|---|---|
| Battery Capacity | 85 mAh | 50 mAh | JBL Under Armour True Wireless Flash have a higher battery capacity than JBL LIVE FREE NC+ TWS. |
| Battery Life | 5 hour(s) | 7 hour(s) | JBL LIVE FREE NC+ TWS lasts longer on a single charge than the JBL Under Armour True Wireless Flash. |
| Battery Life Details | - | Continuous playback (with included charging case): up to 21 hours Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 6 hours Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 7 hours |
|
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | 2 |
| OTHERS | JBL Under Armour True Wireless Flash | JBL LIVE FREE NC+ TWS |
|---|
| 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) | 3 pairs of ear tips (small, medium, large), 2 pairs of ear sleeves, USB-C charging cable, charging case (300 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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