Alpine W12S4 Dual 12" Rhino Coated Sub Box Fits 2002-2013 Chevy Avalanche | Sealed loaded enclosure installed subwoofer drivers, 500W RMS combined power, 4 Ohm interior-lined design, 12 inch size

ALPINE W12S4 DEEP AND POWERFUL 12-INCH BASS PERFORMANCE - The Alpine W12S4 subwoofer delivers rich, punchy, and accurate bass that significantly upgrades your Avalanche’s audio system. Its 12-inch woofer produces strong low-end response without muddying vocals or mids. The rugged construction ensures dependable daily performance. It maintains clarity even at high listening volumes. This subwoofer offers a major improvement over factory sound.

DESIGNED FOR 2002–2013 CHEVY AVALANCHE FITMENT - The enclosure is built specifically for 02–13 Avalanche models for a clean, drop-in installation. It fits securely in the cargo area without requiring interior modifications. The compact design preserves usable space while still delivering powerful bass output. It integrates smoothly with the Avalanche’s interior layout. This ensures proper bass projection and balanced cabin acoustics.

SINGLE CHAMBER SEALED ENCLOSURE FOR CLEAN, ACCURATE BASS - The sealed design delivers tight, controlled, and well-defined low frequencies. It minimizes resonance for cleaner sound reproduction across all music genres. This configuration maintains consistent bass performance at any volume level. It provides accurate, detailed low-end response ideal for daily listening. Drivers who prefer clarity and control will appreciate this setup.

RHINO COATED ENCLOSURE FOR EXTREME DURABILITY - The enclosure features a rugged Rhino-coated exterior that protects against moisture, scratches, and heavy wear. This coating reinforces the structure for stable, vibration-free bass output. It withstands demanding truck environments and long-term use. The tough finish also gives the box a clean, professional appearance. This ensures long-lasting protection and reliability.

PRELOADED AND READY FOR QUICK INSTALLATION - The subwoofer arrives fully mounted inside the enclosure for a fast and hassle-free setup. This eliminates installation guesswork and reduces total install time. It pairs easily with most aftermarket amplifiers. The plug-and-play design lets Avalanche owners upgrade their bass immediately. It delivers instant improvement tailored to the 02–13 Chevy Avalanche.