dbx 231 Dual 31-Band Graphic EQ Standard April 11, 2011/in All About Guitars /by sheetmusic$149.97 Visionary design makes your job easier.dbx 231 Dual 31-Band Graphic EQ Standard http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg 0 0 sheetmusic http://www.sheetmusicdaily.com/wp-content/uploads/SheetMusicDaily-300x53.jpg sheetmusic2011-04-11 11:57:132011-04-11 11:57:13dbx 231 Dual 31-Band Graphic EQ Standard