This bundle features an Alpine KTA-450 4-Channel Power Pack Amplifier with Dynamic Peak Power 45W RMS x 4, At 2 Or 4 Ohms, and 2x Alpine S2-S65C Next-Generation S-Series 6.5" Component Speaker Set. The Alpine KTA-450 Power Pack Amplifier is compact with a size of 7” W x 3.5” H x 1.25” D, making it versatile for various installations. It boasts Dynamic Peak Power (DPP) technology, doubles power during dynamic musical passages, and a Class D amplifier circuit. The amplifier outputs 50W RMS X 4 at 4-Ohm, and 45W RMS X 4 at 2-Ohm, with a THD of Less Than 0.1%. It features a frequency response range of 15Hz - 50kHz, variable HPF/LPF crossover, and weighs only 1.3lb. The package includes the KTA-450 Amplifier, Input/Output/Power Wire Harness, Universal Bracket Set, and more. The Alpine S2-S65C Component Speaker Set is Hi-Res Audio Certified, offering up to 40kHz frequency response for superior sound quality at an entry-level price point. Crafted with Poly Propylene, Glass Fiber, and Mica Cone materials, it ensures lightweight construction, high output, and low distortion. The HAMR Surround technology delivers powerful bass notes, and the speakers are compatible with the KTE-S65G Speaker Grille for added protection and style. The speakers include 6.5” woofers, 1” tweeters, maximum peak power of 240W, and maximum RMS power of 80W. Upgrade your sound system with this premium bundle containing the Alpine KTA-450 Power Pack Amplifier and S2-S65C Component Speakers. Enjoy powerful, high-quality audio with the compact amplifier's advanced DPP technology and the Hi-Res Audio Certified speakers' exceptional performance. Install with ease and experience clean, accurate sound reproduction. The perfect combination for a premium audio experience in your vehicle.