JBL GT5-2402BR + JBL MS-A5001 + Kit, Dual Sub Box with Amp & Wires Package includes Dual 12" Loaded Box, High-end Class D Amp & True 8 Gauge Amp Wire Kit JBL Dual Loaded Tuned Slipstream Ported Enclosure 12" Dual GT Series Subwoofer 550 Watts RMS 1600 Peak RMS 2 Ohm Final Impedance