Ultimate Ears Mini Boom review: specs and price

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.

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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The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.

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A remote control allows you to control the device remotely. The remote control can be included or optional.

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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A passive radiator looks like a normal driver (speaker) from the front, but on the backside all of its 'guts' are removed. Passive radiators allow woofers to produce deep tones that otherwise may not have been possible. They can have the same sonic output as larger speaker cabinets, but in a much smaller size.

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

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Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

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Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.

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The battery can be recharged and used over again.

The time it takes to fully charge the battery.

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

The device can connect to WiFi.

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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 at a greater distance via Bluetooth or infrared to another device.

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

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.

Wireless devices allow users more freedom of movement.

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