The Zeroflex TREX151 15-Inch MONSTER 1650RMS SPL DVC 1 Ohm Car Subwoofer (Pair) with Zeroflex TREX-3.1K 1 x 3300rms @ 1ohm mono amplifier combo pack is a powerful audio system designed to enhance your car’s sound experience. The subwoofers feature a 15-inch size, delivering deep and impactful bass with a power handling capacity of 1650RMS. With dual voice coils and a 1 Ohm impedance, these subwoofers provide precise and accurate sound reproduction. The included TREX-3.1K amplifier offers 3300rms power output at 1 Ohm, ensuring consistent and high-quality audio performance. This combo pack is perfect for car audio enthusiasts looking for a complete solution to elevate their car’s sound system.