The Beovox S45-2 is a three-way bookshelf speaker made by Bang & Olufsen from 1978 to 1982. It has a 2.5 cm Philips dome tweeter and a 20 cm Peerless woofer with a rubber roll edge. The speakers have a frequency range of 38–20,000 Hz and less than one percent harmonic distortion. They come in oak, rosewood, teak, and white finishes.