This Package Includes the Following Items:
1 x Harmony Audio HA-A400.4 Car Stereo Alloy Amp 4 Channel 800W Fulll Range Speaker or Sub Amplifier
1 x Harmony Audio HA-AK8 Car Stereo Complete 8 Gauge 900W Amp Amplifier Install Kit - Nickel
2 x Buick Cadillac Chevy GMC Oldsmobile Pontiac Factory Speaker Replacement Harness
2 x Kicker 43DSC6704 6.75" DS Series 60W RMS 4 Ohm Coaxial Car Audio Speakers DSC67
Harmony Audio HA-A400.4 Car Stereo Alloy Amp 4 Channel 800W Fulll Range Speaker or Sub Amplifier:
Specifications:
Alloy Series 4 Channel Class D Full Range Amplifier
Power Handling:
14.4V @ 4 Ohm Stereo
75 Watts RMS x 4
150 Watts PEAK x 4
14.4V @ 4 Ohm Bridged
200 Watts RMS x 2
400 Watts PEAK x 2
14.4V @ 2 Ohm Stereo
85 Watts RMS x 4
170 Watts PEAK x 4
Frequency Response: 10Hz-30kHz
Turn On: DC Offset or 12V Remote
Features:
Includes HA-EASY x 2 Speaker Wire to RCA Adapter to Simplify Installation
Compatible with both Aftermarket and Factory Source with DC Offset Feature

Buick Cadillac Chevy GMC Oldsmobile Pontiac Factory Speaker Replacement Harness:

Kicker 43DSC6704 6.75" DS Series 60W RMS 4 Ohm Coaxial Car Audio Speakers DSC67:
Speaker Design: 2 - way
Woofer : 6-3/4"
Tweeter: .5"
Rated Impedance [?] :4
Peak Power Handling: 240W PEAK
Continuous Power Handling: 60W RMS
Sensitivity: 90
Frequency Response: 40-20k Hz
Mounting Hole Diameter: 5-1/2"
Top Mount Depth: 3/16"
Bottom Mount Depth: 1-13/16"