This Package Includes the Following Items:1 x Kicker 46CXA3604 Car Audio 4 Channel Speaker Amplifier1 x Harmony Audio HA-AK10 Complete 10 Gauge Amp Install Kit - Nickel3 x Buick Chevy Cadillac GMC Oldsmobile Factory Speaker Replacement Harness1 x Harmony Audio HA-R65 Car 6.5" Replacement 300W Speakers1 x Harmony Audio HA-R46 Car Stereo Rhythm Series 4x6" Replacement 120W Speakers1 x Harmony Audio HA-R69 Car 6x9" 450W SpeakersKicker 46CXA3604 Car Audio 4 Channel Speaker Amplifier:SpecificationsPower Handling:90 Watts x 4 @ 2 Ohm Stereo RMS180 Watts x 4 @ 2 Ohm Stereo PEAK180 Watts x 2 @ 4 Ohm Bridged RMS360 Watts x 2 @ 4 Ohm Bridged PEAKFreq Response: 10Hz - 20kHzHarmony Audio HA-R65 Car 6.5" Replacement 300W Speakers:Specifications:6-1/2" Rhythm Series 2-Way Car Speaker PairPeak: 300 wattsRMS: 100 wattsFreq Response: 40Hz-20kHzTweeter Size: 1/2"Single 4 Ohm Harmony Audio HA-R46 Car Stereo Rhythm Series 4x6" Replacement 120W Speakers:Specifications:4x6" Rhythm Series 2-Way Car Speaker PairPeak: 120 wattsRMS: 40 wattsFreq Response: 50Hz-20kHzMounting Depth: 2 1/4"Mounting Cutout Diameter: 3 7/16" x 5 9/16"Tweeter Size: 1/2"Single 4 Ohm Harmony Audio HA-R69 Car 6x9" 450W Speakers:Specifications:6x9" Rhythm Series 3-Way Car Speaker PairPeak: 450 wattsRMS: 150 wattsFreq Response: 30Hz-20kHzTweeter Size: 1/2" & 1"Single 4 Ohm