i have a lighting audio (the fast and the furious) 400 watt ff150.2 amplifier.. asking 50+shipping... it works good on speakers.. i wouldnt prefer it on a subwoofer...its a 2 channel amp.. any ?s feel free to ask on here or PM me...the reason im sellin this is cuz i got a new amp the other day and i wont be using this one.. any offers..