JBL Under Armour Sport Wireless React Review


JBL got together with the sports giant, Under Armour, to create some of the best, most robust and durable sports earphones yet. Their JBL Under Armour Sport Wireless React is one of those models that boasts a rugged, yet stylish, water-resistant design. Also, it sports the classic bass sound signature from JBL, which makes the product even better.

These earphones come with a water and sweat-resistant design, combined with textile cables and robust aluminum housing. The JBL Under Armour Sport Wireless React is explicitly made for sports and for those who have an overall active lifestyle.

Also, the earphones have a comfortable fit with a guaranteed secure grip and high-quality sounds. These wireless earphones give you a 4-button remote for the iOS and Android operating systems, plus two unique options for picking up sounds of your surroundings for the feature of noise canceling.

What can the JBL Under Armour Sport Wireless React at this competitive price range? Let us find out as we take a look and learn more about these earphones from JBL.

JBL Under Armour Sport Wireless React Review – What’s in the Box?

The JBL Under Armour Sport Wireless React comes in your typical cardboard box that sports a sleek black theme. It gives off a high-quality and premium vibe to it to let you know that you have top-notch earphones with you.

The front of the box displays an image of the JBL Under Armour Sport Wireless React earphones, while the brand JBL can be found written at the bottom of the picture. Above the image is the name and logo for Under Armour. Beneath this, you will find the name of the product.

When looking at the lower-right corner of the box, it shows that the earphones are Bluetooth compatible and storm-proof.

When you turn the box, the back portion displays another image of the JBL Under Armour Sport Wireless React. But this time, specific details describe the different parts of the earphones.

When you open the box, you will immediately see the earphones kept neatly in place. The cables are set in an organized manner to prevent these from tangling while in transit. Aside from the earphones, there are other items present in the package. These include a breathable carry pouch, one micro USB cable, three sizes of ear tips, three-winged ear-tip enhancers, a quick start guide, one safety sheet, a warranty card, and a 12-month MapMyRun premium membership.

The Product

JBL Under Armour Sport Wireless React Review

These earphones from JBL support the Bluetooth 4.2 standards. And during field tests with different Android and iOS devices, it offered a range of more than 12 meters and high stability, which is an extremely notable result.

To pair the earphones, you will need to press, then hold the center button which switches the system on. The process instantly puts the Sport Wireless React into pairing mode. Also, the haptic touch of the – and + buttons means that the device control is intuitive.

Aside from the volume controls, track navigation is possible by holding the + and – buttons down. Start & stop, and also accepting and ending calls, can be done using the central button by holding it down. This button also lets you reject incoming calls.

The fourth button on the earphones is on the side of its little remote, and it lets you hear ambient noise. To use this, press the key for activating the TalkThru mode to decrease the volume playback, boosting voices. It enables you to communicate or listen to announcements & notices without having to bother removing the JBL Under Armour Sport Wireless React.

Raising the AmbientAware mode is possible, and it is a beneficial feature to use while jogging and listening to audio. It will allow you to hear traffic better and your environment as well. Just double-click, and you’re good to go. However, this technology is better for short-term use than for long-term use. It is because quiet background noise is apparent, and playback quality is flawed by this function.

Product Features

High-Performance and Waterproof for Sports

The Under Armour Sport Wireless React features a storm-proof design. It is IPX7-rated, and it can be submerged up to 1 meter for as long as 30 minutes. These earphones can withstand water, sweat, and other elements since these aluminum earbuds are incredibly durable. It also comes with a durable fabric cable, which is perfect for your most intense workout.

Bionic Hearing

Bionic Hearing makes use of the unique sound and microphone technology of JBL, allowing you to hear ambient sounds. These two sound technologies are AmbientAware and TalkThru. AmbientAware provides more immersive music while enhancing ambient sounds. It will enable you to know what is happening in your surroundings.

TalkThru, on the other hand, lowers music to amplify speech. The feature makes chatting with a workout partner easier.

9-Hour Battery

Enjoy wireless audio for a whole week worth of workouts. The JBL Under Armour Sport Wireless React comes with a 9-hour battery life which is on the higher-end standard for wireless earphones. Charging the earphones only takes 2 hours with its Micro USB to USB cable.

Premium Build

By just looking at the JBL Under Armour Sport Wireless React, you can tell that these earphones are of top quality. Its solid magnetic aluminum earpieces, material-insulated cable, and the durable rubber remote confirm that this is a very notable product.

Maximum Security

The winged ear tips make the earphones easier to use and wear for maximum security. Since the buds are magnetic, these are more convenient to carry around. The three sizes of Sport Flex Fit ear tips and winged ear tips, you can choose which is most comfortable and perfect for your ears.

The Sound that Stands Out

The high-impact “Charged Sound” features the custom 0.23-inch drivers from JBL. These deliver dynamic sounds for ideal lows and highs.


The JBL Under Armour Sport Wireless React makes use of the Bluetooth 4.2 version. Its ear-tips are comfortable to use for extended periods since these are made using silicon. These earphones are light, weighing only 16.5 grams, and it comes with a cable that is long enough at 51 centimeters.

The earphone’s driver size is 5.8 millimeters with a sensitivity of 1kHz / 1mW [dB] 102 dB-SPL, and an impedance of 14 ohms. For the number of drivers available, there is one driver for each earpiece.

When it comes to the JBL Under Armour Sport Wireless React’s connection & control specifications, the earphones have Bluetooth profiles that include AVRCP v1.5, v1.7, and A2DP v1.3. The product has 2.402GHz to 2.48GHz Bluetooth frequency while its transmitted modulation is GFSK, π/4DQPSK, and 8DPSK. For the earphone’s Bluetooth transmitter power, it ranges from 0 to 4 dBm.

Lastly, it has a Polymer Li-ion battery that takes a total of 2 hours for its charge time. With BT switched on, you can listen to music for nine straight hours. Also, the dynamic frequency response of the earphones ranges from 20Hz to 20 kHz.

Using the Product

Of course, we did not pass up on checking the performance of the JBL Under Armour Sport Wireless React earphones. Starting with its sound quality, it offers high-quality audio with bass-driven tuning that can reach low frequencies.

The sound clarity of the earphones is perfect, while its treble and mid-range have an adequate presence without decreasing the upper frequency. Even with the current, well-defined bass foundation, the produced sounds are fantastic, which is why the earphones are perfect for daily use.

When it comes to the lows of the JBL Under Armour Sport Wireless React, we received perfect lows when we achieved the ideal fit of the earphones. Although the low end appears clean, it gets a lot of warmth when it comes to pop-rock and rock tracks. If you are a fan of hip-hop, you will enjoy the generous amount of sub-bass frequencies. And with that, the JBL Under Armour Sport Wireless React provided us with a versatile sound signature, which made it a highly notable product.

For its mids, we received present mid-range together with well-balanced low and high mids. It results in full-bodied audio, especially when it comes to rock and pop-rock tunes. Simultaneously, the JBL Under Armour Sport Wireless React gave us a tidy profile with guitar strums that sounded clean and crisp.

Lastly, the highs of the JBL Under Armour Sport Wireless React are fair and rather forgiving to the ears. At the same time, when you listen to pop music, percussions had the perfect punch and crisp to make the tracks sound snappy.

All in all, the JBL Under Armour Sport Wireless React performed well, produced outstanding audio, and these make it worth purchasing. With that, we’re giving these sports earphones two thumbs-up for its performance.


The JBL Under Armour Sport Wireless React is an efficient pair of earphones. When it comes to its build quality, it is one of the most durable models designed by JBL.

Aside from its premium build, it offers ease of movement since it is secure when worn. It also delivers excellent audio with bass that is rich and powerful. These offer balance in sounds, which results in balanced audio.

Since there is an adequate amount of balance, the earphones sound excellent no matter what genre you are playing. If you are someone who enjoys music while working out, we highly recommend the JBL Under Armour Sport Wireless React.

Where to Buy

If you want to have your own JBL Under Armour Sport Wireless React, you can purchase this from the official website of JBL.