This Package Includes the Following Items:1 x Harmony Audio HA-A400.4 Car Stereo Alloy Amp 4 Channel 800W Full Range Speaker or Sub Amplifier1 x Harmony Audio HA-AK10 Car Stereo Complete 10 Gauge 600W Amp Amplifier Install Kit - Nickel2 x Compatible with Chevy Camaro Ford Explorer Mustang Lincoln Mazda Speaker Replacement Harnesss1 x Harmony Audio HA-R68 Car Stereo Rhythm Series 5x7" 6x8" Replacement 225W Speakers1 x Harmony Audio HA-R69 Car Stereo Rhythm Series 6x9" Replacement 450W SpeakersHarmony Audio HA-A400.4 Car Stereo Alloy Amp 4 Channel 800W Full Range Speaker or Sub Amplifier:Power Handling:14.4V @ 4 Ohm Stereo14.4V @ 4 Ohm Bridged14.4V @ 2 Ohm StereoFrequency Response: 10Hz-30kHzSignal to Noise Ratio: 95dB, A-weightedRCAs: InputTurn On: DC Offset or 12V RemoteRecommended External Fuse: 40ARecommended Wiring Power Gauge: 8 GaugeDimensions: 8-5/8" Width x 6-1/8" Width x 2" HeightHarmony Audio HA-R68 Car Stereo Rhythm Series 5x7" 6x8" Replacement 225W Speakers:Power Handling:Peak: 225 wattsRMS: 75 wattsSensitivity: 90dBFrequency Response: 45Hz-20kHzMounting Depth: 2 1/4"Mounting Cutout Diameter: 4 15/16" x 7 1/16"Tweeter Size: 1/2"Single 4 OhmHarmony Audio HA-R69 Car Stereo Rhythm Series 6x9" Replacement 450W Speakers:Power Handling:Peak: 450 wattsRMS: 150 wattsSensitivity: 92dBFrequency Response: 30Hz-20kHzMounting Depth: 3 3/8"Mounting Cutout Diameter: 6 1/8" x 8 11/16"Tweeter Size: 1/2" & 1"Single 4 Ohm