This an older piece from AC. It's features are as follows. 4Ch EQ/Line Driver: Dual 12 band EQ's >5-bands half octave EQ >7 bands of full octave EQ 7V line driver Input and Output level matching Controls Defeatable EQ button Subsonic Filter This piece is in fair condition at best(it came to me in this condition), but it is functional. Here is a link to some pics: http://www.sounddomain.com/memberpage/177885/11 I'm asking $50 shipped to continental US...the price is firm.