Ultimate Ears Boom 2 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.

Best

Best

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

Best

Device is protected with extra seals to prevent failures due to any kind of weather.

When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction.

Best

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.

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

Best

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.

Best

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

Best

More microphones result in better sound quality and enable the device to filter out background noise.

Best

The battery can be recharged and used over again.

An indicator shows you when the device has low battery.

The time it takes to fully charge the battery.

Best

The device's battery life (when in use) as given by the manufacturer. With a longer battery life you have to charge the device less often.

Best

Best

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.

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.

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

Best

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

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

Best

Wireless devices allow users more freedom of movement.

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