Old School Audio Control 2xS 18db Programmable Crossover - Line Amp - Subsonic Filter and Bridging Adaptor. "As Is", for Parts or Repair; Tested with 12v and light didn't come on. Opened and Board looks very clean, Condition of Exterior is also Good. Please See Pictures, Ships Fast and Free. Questions? Message me and I'll do my best to answer. Ships on next Business day, also Saturday Mornings. Please Promptly contact me with any issues regarding products received. Returns accepted on some items but must be in Exact condition as Shipped, No Refunds without Receipt of Item. All positive feedback reciprocated, thanks for looking.