<P> A CD player is an electronic device that plays audio compact discs , which are a digital optical disc data storage format . CD players were first sold to consumers in 1982 . CDs typically contain recordings of audio material such as music . CD players are often a part of home stereo systems , car audio systems , and personal computers . With the exception of CD boomboxes , most CD players do not produce sound by themselves . Most CD players only produce an output signal via a headphone jack and / or RCA jacks . To listen to music using a CD player with a headphone output jack , the user plugs headphones or earphones into the headphone jack . To use a CD player in a home stereo system , the user connects an RCA cable to the RCA jacks or other outputs and connects it to a hi - fi ( or other amplifier ) and loudspeakers for listening to music . They are also manufactured as portable devices , which are battery powered and typically used with headphones . </P>
<P> A CD player is an electronic device that plays audio compact discs , which are a digital optical disc data storage format . CD players were first sold to consumers in 1982 . CDs typically contain recordings of audio material such as music . CD players are often a part of home stereo systems , car audio systems , and personal computers . With the exception of CD boomboxes , most CD players do not produce sound by themselves . Most CD players only produce an output signal via a headphone jack and / or RCA jacks . To listen to music using a CD player with a headphone output jack , the user plugs headphones or earphones into the headphone jack . To use a CD player in a home stereo system , the user connects an RCA cable to the RCA jacks or other outputs and connects it to a hi - fi ( or other amplifier ) and loudspeakers for listening to music . They are also manufactured as portable devices , which are battery powered and typically used with headphones . </P>
when did the first cd player come out
when did the first cd player come out
1982
1982