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 Ford F-150 Explorer Lincoln Mazda Mercury Factory Speaker Replacement Harness
2 x Harmony Audio HA-R68 Car Stereo Rhythm Series 5x7" 6x8" Replacement 225W Speakers
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

Ford F-150 Explorer Lincoln Mazda Mercury Factory Speaker Replacement Harness:

Harmony Audio HA-R68 Car Stereo Rhythm Series 5x7" 6x8" Replacement 225W Speakers:
Specifications:
6x8" / 5x7" Rhythm Series 2-Way Car Speaker Pair
Power Handling:
Peak: 225 watts
RMS: 75 watts
Sensitivity: 90dB
Frequency Response: 45Hz-20kHz
Mounting Depth: 2 1/4"
Mounting Cutout Diameter: 4 15/16" x 7 1/16"
Tweeter Size: 1/2"
Single 4 Ohm