Give your car's audio system extra bump with these Boss CX122 Subwoofers. Offering a 1400-Watt max and a 700-Watt RMS per sub, these Boss CX122 subs have a heavy stamped steel frame, single 4 Ohm voice coils and a custom tooled injected cone. The Boss CX122 subs have a mounting depth of 5.4 in. and are 12 in. The **Boss AR1500M** MONO class a/b amplifier features a MAX power of 1500-Watt and a RMS power of 700-Watt at 4 ohm. Other features include a MOSFET power supply, class A/B circuitry, 2 ohm stable and a low pass crossover. Also, includes a remote bass control. The Boss AR1500M amplifier is the perfect amp to power your car audio system. Amplifier installation kit included.