The P3S-1X8 is a single 8"" Punch Shallow subwoofer rated at 150 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, Woofer Size: 8"", Woofer Series: Punch P3S (P3SD2-8), Nominal Impedance (ea): 1-Ohm, Internally wired to create a 1-Ohm amplifier load, Power Handling: 150 Watts RMS/300 Watts MAX, System Configuration: Sealed, Enclosure Material: 5/8"" MDF (Medium Density Fiberboard), Speaker Connector: Up to 10 AWG compression terminals, Dimensions: 13, 5"" x 19"" x D1 5, 3"" - D2 3, 3"", SKU: TBALL9897