This bundle features an Alpine KTA-450 4-Channel Power Pack Amplifier and 2 Alpine S2-S80C 8" Component Speakers. The KTA-450 is a compact amplifier, measuring 7” W x 3.5” H x 1.25” D, ideal for vehicles with limited space. It features Dynamic Peak Power technology, a Class D amplifier circuit, and a PowerStack bracket for convenient mounting. With power outputs of 45W RMS x 4 at 2 or 4 ohms, THD less than 0.2%, and a wide frequency response of 15Hz - 50kHz, this amplifier delivers high-quality sound. The package includes the amplifier, wire harness, bracket set, and more. The Alpine S2-S80C Component Speaker Set offers Hi-Res Audio Certified performance with a frequency response of up to 40kHz. Incorporating Poly Propylene, Glass Fiber, and Mica Cone materials, these speakers are designed for reliability, lightweight construction, and low distortion. The High Amplitude Multi-Roll (HAMR) surround technology allows for powerful bass notes. With 260W peak power and 85W RMS power, these speakers provide a clean and accurate audio experience. Featuring an 8" woofer, 1" tweeter, and OEM fitment with in-line crossovers, the S2-S80C speakers deliver a superior sound performance. Elevate your car audio system with this high-quality bundle from Alpine.