This bundle includes an Alpine KTA-450 4-Channel Power Pack Amplifier and an Alpine R2-S69C 6x9" R-Series High-Resolution 2-Way Component Speaker Set. The KTA-450 measures just 7” W x 3.5” H x 1.25” D, making it compact and ideal for vehicles with limited space. It features Dynamic Peak Power technology, a Class D amplifier circuit, and a 22-pin power harness for easy installation. The amplifier offers 50W RMS X 4 at 4-Ohm and 45W RMS X 4 at 2-Ohm, with a Dynamic Peak Power output of 100W RMS X 4. It also includes a variable HPF/LPF crossover and weighs only 1.3lb. The R-Series speakers are designed for loud, clear sound without distortion, emphasizing high and low frequencies. The R2-S69C 6x9" speakers feature glass-fiber reinforced cones, 300W maximum peak power, and 100W maximum RMS power. With a frequency response of 65Hz-40kHz, 4 Ohm impedance, and 88dB sensitivity, these speakers deliver powerful, bright sound. Upgrade your car audio system with this premium bundle for an immersive listening experience.