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JBL Extreme

At the top of the JBL Xtreme, when supported on a surface, we find the mechanisms to fit the hooks of the carrying handle. This is the compliment that the company deserves in terms of portability, because not all of them think about moving a big speaker like this. It is not portable because of its size, which is purposefully large, but because of its handle, which facilitates transport.

The JBL Xtreme also has a splash-proof construction, surviving very well in rain, pool parties or minor accidents with the liquid. It can even be washed under running tap water without malfunctions. However, the manufacturer does not recommend submerging the product under any circumstances.

JBL Extreme technical specifications

Height: 126 mm

Width: 283 mm

Length: 122 mm

Weight: 2.1 kg

Power source: 19V / 3A

Battery capacity: 10,000 mAh

Battery type: Lithium-ion polymer

Average battery life: 15 hours

Frequency response: 70 - 20,000 Hz

Output: 80 dB

Power: 2 x 20 W

The speaker can even be washed under running tap water without malfunctions

The connectors are on the base and are protected by a zipper. This format is interesting, but it doesn't offer much practicality. However, even when used frequently, there will be rare cases where consumers will need to recharge the JBL Xtreme, as its battery can last for several hours. Passive radiators at both ends complete the visual experience.

Impressive sound quality

It is not just the look of the JBL Xtreme that draws attention. Like other models with passive radiators, such as the JBL Pulse 2 and JBL Charge 2, the bass is the highlight of this speaker. However, everything here is amplified due to the size, which imposes respect even in the face of competitors of the same brand. The dimensions translate into pure sound power, capable of filling a large room with music quite easily.

In addition to the high volume, the sound is quite clear. Even at maximum power, there is little distortion. The treble sounds a little overblown, and the equalization is good for the vast majority of tracks and genres. An interesting feature, present in other JBL products, is the possibility to connect several speakers together or to the same device.

Even at maximum power, there is little distortion

If the environment is very large, this is the ideal configuration, as you can connect more than one JBL Xtreme at the same time and synchronize them to make the same sound. For everyday use, this product can still be used for connections thanks to the integrated microphone. In our tests, noise cancellation provided a very pleasant conversation experience, offering a clean and clear sound, even if this is not the main function of the product.

Big battery

As if the monstrous design and the impressive sound quality were not enough, the JBL Xtreme also stands out due to a stout battery capable of guaranteeing several hours of musical entertainment. In our tests, we were able to use this speaker for more than 5 days while it was on for approximately 2 hours each day and at medium volume.

Considering the natural consumption of the battery during this period, we can say that JBL Xtreme can handle the 15 hours promised by the manufacturer, which obviously can vary according to the volume used for reproduction. The charging time is a little disappointing, but it is the result of a gigantic 10,000 mAh battery. Even a 19V / 3A charger is used for this task.

Charging time is a little disappointing, but it is the result of a gigantic 10,000 mAh battery

The JBL Xtreme charge and charge indicator is somewhat hidden and does not guarantee good visibility. It would have been interesting to invest in a slightly more striking format to show how much the speaker battery is already charged. It is worth mentioning that this product can still be used as a Power Bank, serving to make electricity available to other devices.

Good connectivity

The connectivity quality of the smaller models is also present in the JBL Xtreme: it offers, in addition to the 19V / 3A power connector, two USB ports and an auxiliary input. Although the set serves the majority of users, we miss NFC support for quick pairing with devices.

However, the JBL app is intuitive and makes life easier for those who want to connect one or more devices at the same time. The connection to the JBL Xtreme works very well up to 10 meters away, even with some objects as obstacles. When facing physical barriers, such as walls and doors, the signal tends to lose strength relatively easily.

Is it worth it?

The JBL Xtreme is a product that definitely impresses because of its size and sound power. Consumers who are considering purchasing a competent speaker with a quality battery will find here one of the best items in the category.

When it comes to sound quality, JBL goes to great lengths to deliver a product with excellent features, in addition to very strong strengths. The problem of connectivity will not be an obstacle for the vast majority of consumers, since charging will be something very rare.

When it comes to sound quality, JBL spares no effort to deliver a product with excellent features, in addition to very strong strengths.

The portability of the JBL Xtreme with its strap is also interesting, but don't expect to be able to carry it around in your purse or backpack if it's too small. The two kilos of this speaker make a big difference, which means that this product is more geared to specific occasions, such as parties and meetings between friends.