Get ready to upgrade your car audio system with the Alpine R-Series Bundle. This package includes the Alpine R2-A75M Mono Subwoofer Amplifier delivering a powerful 750W of performance at 1-Ohm. Featuring a compact design and Alpine’s Class D Amplifier Circuit, this amp guarantees exceptional sound quality and efficiency. With a reduced footprint and top-panel sound controls, installation and adjustments are convenient and easy. Specifications include dimensions of 11.1” W x 2.17” H x 6.5” D, power output of 500W RMS x 1 @ 4Ω and 750W RMS x 1 @ 2Ω, as well as a frequency response of 10Hz – 400Hz. Complementing the amplifier is the Alpine R2-W8D2 8" R-Series Subwoofer, Dual 2-Ohm, with 350 Watt RMS power handling. Featuring a larger motor structure and oversized dust cap for enhanced bass accuracy and control, this subwoofer promises a next-level audio experience. General Specs include dimensions of 7.64” x 7.64” x 4.56”, frequency response of 30Hz - 200Hz, and 350W RMS / 1000W Peak power handling. T/S Parameters such as Sensitivity (1W/1m) at 83.6 dB and Xmax at 12 mm ensure optimal performance. For seamless integration, consider the recommended sealed box with external dimensions of 13” x 13” x 5.5” and net internal volume of 0.25 ft3. If you prefer a vented box setup, the recommended dimensions are 11” x 9.5” x 21” with a net internal volume of 0.68 ft3. Elevate your car audio with the Alpine R-Series Bundle, designed to deliver powerful, high-quality sound performance in a compact and convenient package.