This Package Includes the Following Items:1 x Kicker 46CXA3604 Car Audio 4 Channel Amp 720W Peak Speaker Amplifier CXA360.41 x Harmony Audio HA-AK10 Car Stereo Complete 10 Gauge 600W Amp Amplifier Install Kit - Nickel3 x Buick Cadillac Chevy GMC Oldsmobile Pontiac Factory Speaker Replacement Harness2 x Harmony Audio HA-R65 Car Stereo Rhythm Series 6.5" Replacement 300W Speakers & Grills1 x Harmony Audio HA-R46 Car Stereo Rhythm Series 4x6" Replacement 120W SpeakersKicker 46CXA3604 Car Audio 4 Channel Amp 720W Peak Speaker Amplifier CXA360.4: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 - 20kHzDimensions: 12-7/16" Length x 2-3/8" Height x 7-3/16" WidthHarmony Audio HA-R65 Car Stereo Rhythm Series 6.5" Replacement 300W Speakers & Grills:Specifications:6-1/2" Rhythm Series 2-Way Car Speaker PairPower Handling: Peak: 300 wattsRMS: 100 wattsSensitivity: 90dBFreq Response: 40Hz-20kHzMounting Depth: 2 3/8"Mounting Cutout Diameter: 5 11/16"Tweeter 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 PairPower Handling: Peak: 120 wattsRMS: 40 wattsSensitivity: 88dBFreq Response: 50Hz-20kHzMounting Depth: 2 1/4"Mounting Cutout Diameter: 3 7/16" x 5 9/16"Tweeter Size: 1/2"Single 4 Ohm