Enhance your vehicle's audio experience with this comprehensive bundle featuring the Alpine KTA-450 4-Channel Power Pack Amplifier and Alpine R2-S69 6x9" R-Series High-Resolution Coaxial Speakers, Pair. The Alpine KTA-450 Power Pack Amplifier boasts a compact size of 7” W x 3.5” H x 1.25” D, making it perfect for vehicles with limited space. Utilizing Dynamic Peak Power technology, it delivers a powerful performance without the need for extra power supply wires. This Class D amplifier includes a Power Stacking bracket for convenient mounting options. Key Features of the Alpine KTA-450: - Power Output: 50W RMS X 4 @ 4-Ohm, 45W RMS X 4 @ 2-Ohm - Dynamic Peak Power: 100W RMS X 4 - THD: < 0.1% - Frequency Response: 15Hz - 50kHz - Input Sensitivity: RCA (0.152 - 2.80V), Speaker (0.33 - 6.05V) - Weight: 1.3lb Included with the KTA-450: - KTA-450 4-Channel Amplifier - Input/Output/Power Wire Harness - Universal Bracket Set - Cable Tie - Self Tapping Screw - W650 Mounting Brackets The Alpine R2-S69 6x9" R-Series Coaxial Speakers deliver a center sound stage with loud and clear audio, emphasizing high- and low-end frequencies for a dynamic sound experience. Hi-Res Audio certified, these speakers offer a frequency response up to 40kHz and feature a durable glass-fiber reinforced cone for accurate music reproduction. Key Features of the Alpine R2-S69: - Maximum Peak Power: 300 Watts - Maximum RMS Power: 100 Watts - Frequency Response: 65Hz-40kHz - Sensitivity: 88dB SPL - Woofer Mounting Depth: 7.6cm - Woofer Cutout Diameter: 14.9 x 22cm Included with the R2-S69: - 6x9” 2-Way Component Speakers (2pcs) - Composite Baskets - 4.3cm Hard-Dome Tweeters (2pcs) - High-Pass X-Over Networks - Included Speaker Grills Upgrade your car audio system with this powerful combination of the Alpine KTA-450 Amplifier and R2-S69 Coaxial Speakers, perfect for high-quality sound performance in any vehicle.