They are also called as multimedia speakers and are speakers external to a computer. They often have a low-power internal amplifier. The standard audio connection is a 3.5 mm stereo jack plug often color-coded lime green for computer sound cards. Rows of RCA sockets are found on the backs of stereo amplifier and numerous A/V products. There are also USB speakers which are powered from the USB port.
They range widely in quality and in price. The computer speakers typically packaged with computer systems are small having mediocre sound quality. Some computer speakers have equalization features such as bass and treble controls.
The internal amplifiers require an external power source, usually an AC adapter. More sophisticated computer speakers can have a subwoofer unit, to enhance bass output, and these units usually include the power amplifiers both for the bass speaker, and the small satellite speakers. Some computer displays have rather basic speaker built-in. Laptops come with integrated speakers. Restricted space available in laptops means these speakers usually produce low-quality sound.
Features include the following:
- An LED power indicator.
- A 3.5 mm headphone jack.
- Controls for volume, and sometimes bass and treble
- A remote volume control.
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