Enhance your 2002�?013 Chevy Silverado HD Crew Cab’s audio system with the Kicker Comp C12 Dual 12″ Sub Box Enclosure, built to deliver deep, punchy bass in a space-saving underseat design. This custom-fit enclosure houses two powerful Kicker Comp C12 12-inch subwoofers wired to a final 2-ohm impedance—ideal for pairing with a high-output mono amplifier for efficient, hard-hitting performance. Whether you’re blasting rock, hip-hop, or electronic music, this setup ensures your low-end frequencies are strong and clear.The enclosure is engineered specifically to fit under the rear seat of the Silverado HD Crew Cab, maintaining full cabin space and legroom while delivering a clean, OEM-style appearance. Internally, the box is tuned to optimize the Comp C12 subwoofers’ output, producing tight, distortion-free bass that enhances the overall soundstage of your music. The sealed design helps deliver fast, responsive lows perfect for high-impact listening.Wrapped in a durable Rhino-coated finish, the enclosure is built to withstand wear, moisture, and vibration, making it ideal for both work and play. With its precise fit and reliable build, this dual 12″ sub box offers Silverado HD owners a high-performance bass upgrade without sacrificing comfort or interior space. It’s the perfect choice for anyone seeking rich, dynamic sound in a factory-fit form. 1 x 2002-2013 Chevy Avalanche Car Audio Custom Dual 12″ Subwoofer Enclosure Sub Box 2 x Kicker 43C124 12″ Comp Series Sub 150W RMS 4 Ohm SVC Car Subwoofer 2002-2013 Chevy Avalanche Car Audio Custom Dual 12″ Subwoofer Enclosure Air Space: 0.48 Cubic Feet per Sub Mounting Depth: 4 1/2″ Sealed Enclosure Dimensions: Width 48″ x Height 6″ x Depth 16-3/4″ Air Space: 0.48 Cubic Feet per Sub Mounting Depth: 4 1/2″ Sealed Enclosure Dimensions: Width 48″ x Height 6″ x Depth 16-3/4″ Constructed with High Quality MDF High Quality Spring Loaded Terminal Cups (Bare Wire ‘up to 10GA’) High Quality Black Carpet 2002-2013 Chevy Avalanche Size: 12″ Impedance: 4 Ohms SVC Power Watts: 300W Peak / 150W RMS Sensitivity: 88.3 dB Freq. Response: 27-500 Hz Mounting Depth: 5-7/8″ Mounting Diameter: 11″