This is a pair of Acoustat Specta 11 ESLs I built new bass cabinets for. 3/4" MDF with hand rubbed high-gloss deep blood red spray lacquer finish. These are used in my office with either an Adcom 555 II or Dynaco Stereo 400 amp. Both are 200 w/ch. Behind the 11 is the Acoustat 1 1 and 2 2 ESLs.