This Package Includes the Following Items:

• 1 x Alpine S-A60M Car Audio Type S Series Amp Class D Sub 1200W Amp
• 1 x Harmony Audio HA-AK4 Complete 4 Gauge Amp Install Kit - Nickel
• 1 x Alpine S-W12D4 Type S Series Sub Dual 4 Ohm 1200W Peak 12" Subwoofer
• 1 x Compatible with 2007-2013 Chevy Silverado 1500 Extended Cab Truck Single 12" Subwoofer Box Sub Enclosure

Alpine S-A60M Car Audio Type S Series Amp Class D Sub 1200W Amp:

• Product Details:
  • Alpine S-Series Mono Power Amplifier - S-A60M
  • Power Output:
    • 400W RMS x 1
    • 600W RMS x 1
  • Frequency Response: 10HZ-400Hz

Alpine S-W12D4 Type S Series Sub Dual 4 Ohm 1200W Peak 12" Subwoofer:

• General Features:
  • 12" 4 Ohm Type-S Series Subwoofer
  • Power Handling:
    • Peak: 1800 watts
    • RMS: 600 watts
  • Frequency Response: 26- 200Hz

Compatible with 2007-2013 Chevy Silverado 1500 Extended Cab Truck Single 12" Subwoofer Box Sub Enclosure:

Features:

• Mounting Depth: 5-3/4"
• Air Space: 0.65 Cubic Feet
• Sealed Enclosure
• High Quality Spring Loaded Terminal Cup (Bare Wire 'up to 10GA')
• Fits under rear seat on Driver side only
• Model trucks with low transmission hump may require spacers to hold the box up
• Will fit full bench and 60/40 bench seat trucks