The P3S-1X12 is a single 12"" Punch Shallow subwoofer rated at 400 Watts RMS loaded in a sealed enclosure, This subwoofer enclosure is internally wired to a 1-Ohm load and features 5/8"" MDF and 10 AWG quick-release input terminals, Sealed truck box style enclosure, Constructed with 5/8"" MDF, 10 AWG input terminals, 1-Ohm wired impedance, Computer optimized design, Covered with high density carpet, Wired exclusively with Rockford Fosgate speaker cable, Included trim ring ready to accept optional stamped mesh grille insert, SKU: TBALL10104