JBL Charge 4 vs JBL Xtreme

A speaker driver is an individual transducer that converts electrical energy to sound waves. More drivers may result in better sound quality.

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There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.

The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes. Show more

The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water. Show more

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

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Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience. Show more

An amplifier is integrated into the device. An audio amplifier takes a small signal and makes it bigger without making any other changes in it which results in better sound, so any sound source can be connected to speakers.

A passive radiator is a type of driver (speaker) that doesn't have a voice coil and a magnet. The sound vibrations produced by a passive radiator depend on its mass and the size of its enclosure. It is usually used in combination with a woofer to produce deep bass tones.

Signal-to-noise ratio is a measure that compares the level of a desired signal (meaningful information) to the level of background noise (unwanted signal), the bigger the less perceived noise.

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The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

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The battery can be recharged and used over again.

An indicator shows you when the device has low battery.

The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base. Show more

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The battery is removable and can be replaced by the user if broken. Show more

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You can use the device with standard batteries instead of a power supply.

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An auxiliary input allows you to play other audio sources by connecting them through a simple audio connection like a 3.5mm jack, i.e for MP3 or portable DVD/CD player.

The device can connect to Wi-Fi.

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With a standard mini jack socket, you can use the device with most headphones. Show more

Device supports fast Bluetooth pairing using NFC so it can communicate with other devices over Bluetooth. You can fastly pair devices without entering a code by simply holding one device next to the device with which it is to be paired.

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With more USB ports, you are able to connect more devices.

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Multipoint allows you to link to more Bluetooth devices and switch between them. For example you can easily switch calls from one device to another without having to manually disconnect and reconnect.

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Wireless devices allow users more freedom of movement.

This technology allows the users to use their smartphone as a remote control for the device.

A built-in FM radio tuner allows you to listen to most of the live-broadcasted FM radio stations without using the internet. Show more

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With voice prompts, you will automatically receive information via audio messages – for instance, you may find out that the battery is running low, and it's time to recharge the device.

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You can use your voice to control key functions of the device and you can easily access your device without pushing any button.

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A sleep timer is a function that shuts off the power after a preset amount of time.