Beosystem 4000, produced in 1978, comprised the cassette-based Beocenter 4000 together with a pair of Beovox S45 or Beovox P45 panel loudspeakers.
The brand names Bang & Olufsen, B&O, trade mark and many of the product names and details together with on-site photographs are the property and copyright of Bang & Olufsen. The information on this website is provided only as a guide to Bang & Olufsen collectors and enthusiasts of the marque.