Bundle of 4 Items: Kicker 48PXA400.4 4-Channel PX Series Waterproof Amplifier with 45KM654L 6-½" KM Series 2-Way LED Marine Speakers (2 Pairs) and 47KMPK8 8AWG Power Wiring Kit 4-Channel PX Series Amplifier RMS Power Rating: 4 ohms: 100 watts x 4 chan 2 ohms: 100 watts x 4 chan Bridged 4 ohms: 200 watts x 2 chan Max power output: 400 watts Sensitivity: 95dB Frequency response: 10-20,000 Hz Water-proof amplifier design with IP67 certification Optional Wired Bass Remote Control Variable High-pass Crossover: 80/120 Hz at 24dB/octave Low-pass Crossover: 80 Hz Ideal for UTVs, Off-road Vehicles, Hot Rods or Space-challenged Vehicles Dimensions: 9-¾" L x 1-¾" H x 4-½" W 6-½" KM Series 2-Way Marine LED Speakers (2 Pairs) Peak: 195 watts RMS: 65 watts Impedance: 4 ohms Sensitivity: 90dB Frequency Response: 35-21,000 Hz ¾" Titanium Tweeter UV-Treated Polypropylene Woofer Santoprene® Surround White and Charcoal Grilles Included LED System with 7 Colors (Red, Green, Blue, Lime Green, Magenta, Aquamarine, Blue-White) upgradable to 20 colors and 19 lighting modes with optional KMLC lighting controller Top-mount Depth: 2-3/8" 8AWG Power Series Marine Amplifier Wiring Kit Ideal for Up to 600W Single Amplifier Connection Ignition Protected MRBF Fuse Holder for use in Marine Engine Compartment Tin-plated ABYC-compliant Brass Fuse Holder for Maximum Power Transfer and Corrosion Resistance All Kicker Products, can only be shipped within the United States of America.