Most popular models include the T1 & T2 and Punch series
Nick: Yeah mate, thats gotta be Matt, he got a new rocky setup, its sik.
*Matt drived up*
Matt: Check this shit yo, 2 12inch rocky's, 2.5kw amp, and a dvd deck in the dash.
Dave: Whats a rocky?
Nick: Rockford Fosgate, get with the times yo.
Random neighbour: Oi, oi, shut that thing off its shaking my whole house.