The Technics SH-15 B1 is a stereo graphic equalizer that was manufactured in the 1980s. It features multiple bands for adjusting audio frequencies and was designed to improve sound quality in audio systems.

The Technics SH-15 B1 is a stereo graphic equalizer that was manufactured in the 1980s. It features multiple bands for adjusting audio frequencies and was designed to improve sound quality in audio systems.