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… Read More The Bizarre Sharp MR-990 Synth Boombox