This bundle features an Alpine iLX-407 Shallow Chassis 7-Inch Multimedia Receiver with Apple Carplay and Android Auto, 2x Alpine S2-S50 - Next-Generation S-Series 5.25" Coaxial Speaker Set, and an Alpine KTA-450 4-Channel Power Pack Amplifier with Dynamic Peak Power 45W RMS x 4. The iLX-407 offers a 7-inch anti-glare touchscreen, shallow mount design, PowerStack capability, Apple CarPlay, HD Radio, HDMI, and Maestro Compatibility. Dimensions: Width: 7", Height: 4", Depth: 2-6/16". Specs include 16W RMS/50W peak x 4 amplifier, EQ: 5-Band Graphic, DAC: 24 Bit, and more. The S2-S50 speakers are Hi-Res Audio Certified, with Poly Propylene, Glass Fiber, and Mica Cone material and H.A.M.R. Surround technology. Compatible with KTE-S50G Speaker Grille (sold separately), 170W peak power, and 55W RMS power. The KTA-450 Power Pack Amplifier boasts a compact size of 7” W x 3.5” H x 1.25” D, DPP technology, and Power Stacking bracket. Features include 50W RMS X 4 at 4-Ohm, Class D amplifier circuit, and THD Rated Power less than 0.1%. In the box: KTA-450 4-Channel Amplifier, Input/Output/Power Wire Harness, Universal Bracket Set, Cable Tie, Self Tapping Screw, and W650 Mounting Brackets. Upgrade your car audio system with this powerful, high-quality bundle from Alpine.