Harmony Audio Alpine fits 99-06 Chevy Silverado Ext Cab W10S4 Single 10" Subwoofer 250W Sealed Sub Box Rhino Coated | HA-A400.1 Amplifier, 8GA Amp Kit
Harmony Audio Alpine fits 99-06 Chevy Silverado Ext Cab W10S4 Single 10" Subwoofer 250W Sealed Sub Box Rhino Coated | HA-A400.1 Amplifier, 8GA Amp Kit
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Harmony Audio Alpine fits 99-06 Chevy Silverado Ext Cab W10S4 Single 10" Subwoofer 250W Sealed Sub Box Rhino Coated | HA-A400.1 Amplifier, 8GA Amp Kit

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Key item features

  • BUILT FOR 99–06 SILVERADO EXT CAB: This sealed single 10" enclosure is engineered specifically for 1999–2006 Chevy Silverado Extended Cab trucks. Its precision-fit design installs cleanly without cutting or modifying interior panels. The sealed chamber delivers tight and accurate bass suitable for any music genre. It fits securely behind the seat while maintaining full cabin comfort. Enjoy a reliable, vehicle-tailored audio upgrade made for your Silverado.
  • ALPINE W10S4 CLEAN BASS OUTPUT: The included Alpine W10S4 10" subwoofer provides punchy, controlled, and distortion-free bass. It handles high power levels while maintaining exceptional clarity during heavy playback. Alpine’s durable engineering ensures long-term reliability and consistent performance. This sub enhances all music styles with strong and responsive low-end output. Expect clean, impactful bass from every listening session.
  • RUGGED RHINO-COATED ENCLOSURE: The enclosure features a tough Rhino coating that provides superior protection against scratches, moisture, and wear. This durable finish is ideal for truck environments where durability matters. High-quality construction reduces vibration and improves bass clarity. Its compact design fits securely within the Silverado Extended Cab interior. Built to last, it delivers stable performance year after year.
  • 250W RMS HA-A400.1 AMPLIFIER: The HA-A400.1 amplifier delivers a steady 250W RMS to power the subwoofer efficiently. Its clean output ensures deep, distortion-free bass across all listening levels. Integrated protection circuitry helps maintain safe operation during demanding playback. The compact chassis allows flexible installation in tight truck spaces. This amplifier provides balanced, reliable power for your upgraded audio system.
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