The Bizarre Sharp MR-990 Synth Boombox

This little slice of retro boombox goodness is the Sharp MR-990, not just a boombox, but a boombox witha built-in “detachable keyboard computer capable of piano and rhythm functions.”

It was released in 1985, at a price of $550, and featured a 5-band graphic equalizer, detachable speakers and the “melody computer.”

There’s a lot more boombox madness at

2 thoughts on “The Bizarre Sharp MR-990 Synth Boombox

  1. I have that one! šŸ™‚ And I really would like to know for what are most of the buttons in keyboard…

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