Harmony Audio Alpine Compatible with 1988-1998 Chevy C/K Extended Cab W12S4 Single 12" Subwoofer 250W Loaded Sealed Sub Box Enclosure Rhino Coated Bundle | HA-A400.1 400W Amplifier, 8GA Amp Wiring Kit

This Package includes the following:1 x Compatible with Chevy C/K Extended Cab 88-98 Sub Enclosure Sub Box Custom 12"1 x Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer1 x HA-A400.1 Harmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote1 x HA-AK8 Harmony Audio HA-AK8 Car Stereo Complete 8 Gauge 900W Amp Amplifier Install Kit - NickelCompatible with Chevy C/K Extended Cab 88-98 Sub Enclosure Sub Box Custom 12"Air Space: 0.90 Cubic FeetMounting Depth: 6"Sealed EnclosureDimensions: Width 23-3/4" x Front Height 10" x Rear Height 2" x Depth 13-1/4"Enclosure installs on Driver side under rear seat down firingThis box is Compatible with Chevy:1988 - 1998 C/K Extended CabThis box is Compatible with GMC:1988 - 1998 Sierra Extended CabAlpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" SubwooferSubwoofer Size: 12"Peak Power Handling: 750 wattsRMS Power Handling: 250 wattsImpedance (Per Voice Coil): 4 ohmsFrequency Response: 22 - 200 HzSensitivity: 87.9 dBHarmony Audio HA-A400.1 Car Stereo Class D Amp Mono 800 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass RemoteAlloy Series Mono - 1 Channel Class D AmplifierPower Handling:14.4V @ 1 Ohm400 Watts RMS x 1800 Watts PEAK x 114.4V @ 2 Ohm300 Watts RMS x 1600 Watts PEAK x 1Frequency Response: 10Hz-180HzRecommended Wiring Power Gauge: 4 GaugeDimensions: 9-3/16" Length x 6-1/8" Width x 2" Height

• COMPATIBLE WITH CHEVY C/K EXTENDED CAB: This sealed single 12" enclosure is designed specifically compatible with 1988–1998 Chevy C/K Extended Cab trucks. Its custom-fit design installs cleanly without any vehicle modifications. The sealed chamber delivers tight, accurate bass ideal for all music genres. It fits securely behind the seat while maintaining comfortable cabin space. Enjoy a clean and vehicle-tailored audio upgrade designed for long-term performance.
• ALPINE W12S4 LOW-END PERFORMANCE: The included Alpine W12S4 12" subwoofer produces deep, powerful bass with exceptional clarity. It handles high power levels while maintaining distortion-free performance. Alpine’s durable construction ensures years of reliable use. This sub delivers rich low-frequency response that enhances any music style. Expect strong, full-bodied bass output during both casual listening and high-volume playback.
• RUGGED RHINO-COATED ENCLOSURE: The enclosure features a Rhino-coated exterior for maximum protection against scratches, moisture, and harsh environments. This tough coating significantly increases durability and longevity. High-quality construction minimizes vibrations for cleaner, more accurate bass. Its compact design fits securely in the Extended Cab layout. Built to withstand daily use, it delivers stable performance year after year.
• 250W RMS HA-A400.1 AMPLIFIER: The HA-A400.1 amplifier provides a clean and steady 250W RMS to power the subwoofer efficiently. It delivers strong bass output without distortion or clipping. Built-in protection circuitry ensures safe operation during demanding sessions. The amplifier’s compact chassis allows flexible mounting options inside the truck. This amp enhances your audio system with reliable, well-balanced power.
• COMPLETE 8GA AMP WIRING KIT: The included 8-gauge wiring kit ensures optimal current flow for maximizing amplifier performance. Heavy-duty cables reduce voltage drop and improve system efficiency. Quality connectors ensure secure, long-lasting electrical connections. The kit includes all necessary components for a clean and professional installation. It simplifies setup and supports consistent, high-quality audio output.