Bose SoundLink Revolve Plus
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.
Vifa Stockholm 2.0
Meridian Explorer 2
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.
Audio Pro Addon C10
Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
Marshall Kilburn II
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 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.
Devices with a subwoofer have a higher quality, deeper bass.
Amazon Echo Plus 2
More microphones result in better sound quality and enable the device to filter out background noise.
Amazon Echo Show
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.
WOWee One Slim
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.
Lava Brightsounds 2
Amazon Echo Plus 2
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.
Sol Republic Deck
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.
With more USB ports, you are able to connect more devices.
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.
Ultimate Ears Megaboom 3
Wireless devices allow users more freedom of movement.
This feature allows the device to inform you of important information through its audio function.
You can use your voice to control key functions of the device and you can easily access your device without pushing any button.