In depth comparison and review of JBL Under Armour True Wireless Flash and JBL Endurance RUN 2. 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 Endurance RUN 2 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - wireless | |
|---|---|---|---|
| Weight | 16 g | 19.7 g | JBL Under Armour True Wireless Flash are lighter than JBL Under Armour True Wireless Flash headphones. |
| Colour | Black | White | Black | |
| Protection | Waterproof, sweat-resistant, IPX7 | Waterproof, sweat-proof | |
| Design | Sports | Sports | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | JBL Endurance RUN 2 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 20 - 22000 Hz | 20 - 20000 Hz | JBL Under Armour True Wireless Flash offer a larger frequency range than JBL Endurance RUN 2. |
| Sensitivity | 95 dB | 99 dB | JBL Endurance RUN 2 have higher sensitivity than JBL Under Armour True Wireless Flash. |
| Impedance | 14 Ohm | 16 Ohm | |
| Max Sound Pressure | 113 dB | - | |
| Diaphragm | 5.8 mm | 8 mm | JBL Endurance RUN 2 have a thicker diaphragm than JBL Under Armour True Wireless Flash. |
| Features | TalkThru technology, JBL Charged Sound, Ambient Aware | Magnetic ear buds, TwistLock technology, FlexSoft, Fliphook |
| MICROPHONE | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Sensitivity | -25 dBV/Pascal | - |
| REMOTE CONTROL | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| Controls | Power on/off, answer/end, microphone on/mute, play/pause, next/previous track, reject call, voice assistant, TalkThru button | 1-button remote |
|---|
| CABLE | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| Cable Type | - | USB-C charge cable - detachable |
|---|
| FEATURES | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| Features | True wireless | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | Siri, Google Now | Siri, Google Now |
| BATTERY AND CHARGING | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| Battery Type | 2 x headphone battery rechargeable - lithium polymer | Rechargeable | |
|---|---|---|---|
| Battery Capacity | 85 mAh | 130 mAh | JBL Endurance RUN 2 have a higher battery capacity than JBL Under Armour True Wireless Flash. |
| Battery Life | 5 hour(s) | 10 hour(s) | JBL Endurance RUN 2 lasts longer on a single charge than the JBL Under Armour True Wireless Flash. |
| Battery Life Details | - | Continuous playback: up to 10 hour(s) Continuous playback (with 10 min charge): up to 1 hours |
|
| Charging Time | 2 hour(s) | 2 hour(s) | The charging of both headphones last the same time. |
| Included Qty | 2 | - |
| WIRELESS LINK | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | JBL Under Armour True Wireless Flash | JBL Endurance RUN 2 |
|---|
| 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) | Sound enhancer, 3 pairs of silicone ear tips (small, medium, large), USB-C charging cable | |
|---|---|---|---|
| Software Included | MapMyRun premium membership (12 months) | - | |
| Compliant Standards | IPX7 | IPX5 | |
| Service & Support | Limited warranty - 1 year | - |
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