The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.
Sony SRS-X77: 462mm
4. control panel placed on a device
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.
89% have it
Sony Ericsson MS430: 67g
6. has a detachable cable
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
53% have it
7. lowest frequency
The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
Samsung WAM750: 8Hz
8. is an active speaker
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.
65% have it
WOWee One Slim: 92.4cm³
10. drivers count
A speaker driver is an individual transducer that converts electrical energy to sound waves. More drivers may result in better sound quality.
Vifa Stockholm: 8
11. has a rechargeable battery
The battery can be recharged and used over again.
64% have it
12. Has WiFi
The device can connect to WiFi.
45% have it
13. has an AUX input
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.
82% have it
14. Weather sealed
Device is protected with extra seals to prevent failures due to any kind of weather.