Harmony Audio Alpine Compatible with 1997-1999 Ford F-150 Ext Cab W12S4 Dual 12" Subwoofer 500W Loaded Sealed Sub Box Enclosure Bundle | HA-A800.1 800W Amplifier, 4GA Amp Wiring Kit

This Package includes the following:1 x Custom Dual 12" Compatible with 97-99 Ford F-150 Ext Cab Enclosure2 x ALP19-W12S4 Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer1 x HA-A800.1 Harmony Audio HA-A800.1 Car Stereo Class D Amp Mono 1600 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass Remote1 x HA-AK4 Harmony Audio HA-AK4 Car Stereo Complete 4 Gauge 1800W Amp Amplifier Install KitCustom Dual 12" Compatible with 97-99 Ford F-150 Ext Cab EnclosureMounting Depth: 5"Air Space: 0.65 Cubic Feet Per SubSealed EnclosureDimensions: Width 47-1/2" x Front Height 8-1/2" x Rear Height 7-1/2" x Depth 13-3/4" - Mounting Depth: 9"Constructed with High Quality MDFHigh Quality Black CarpetEnclosure installs under the rear seat down firingRear seat assembly has to be raised in order for the box to fitThis box is Compatible with Ford:1997-1999 F-150 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 dBSubwoofer Design: Round / CircleHarmony Audio HA-A800.1 Car Stereo Class D Amp Mono 1600 Watt Subwoofer Amplifier - 1 Ohm Stable - Includes Bass RemotePower Handling:14.4V @ 1 Ohm800 Watts RMS x 11600 Watts PEAK x 114.4V @ 2 Ohm600 Watts RMS x 11200 Watts PEAK x 1Frequency Response: 10Hz-180HzTurn On: DC Offset or 12V RemoteDimensions: 12-3/8" Length x 6-1/8" Width x 2" Height

• COMPATIBLE WITH 97–99 FORD F-150 EXT CAB: This dual 12" sealed enclosure is designed specifically compatible with 1997–1999 Ford F-150 Extended Cab trucks. Its precision-fit design installs cleanly without requiring interior modifications. The sealed chamber produces tight, accurate bass suitable for all music genres. It fits securely behind the seats while maintaining cabin comfort. Enjoy a powerful, vehicle-tailored audio upgrade built for your F-150.
• ALPINE W12S4 HEAVY BASS PERFORMANCE: Equipped with two Alpine W12S4 12" subwoofers, this system delivers deep, strong, and impactful low-frequency output. Each sub handles high wattage with minimal distortion, even during bass-heavy playback. Alpine’s reliable engineering ensures long-term performance under daily use. These subs provide rich, full-bodied bass that enhances any listening experience. Expect clean, powerful, and consistent bass on every drive.
• STRONG SEALED ENCLOSURE BUILD: The sealed enclosure design provides precise and controlled bass reproduction. Made from high-quality materials, it minimizes unwanted vibrations for cleaner audio. Its truck-specific layout ensures a secure fit inside the F-150 Extended Cab. The enclosure maintains stable performance at both low and high volume levels. Built for durability, it offers long-lasting and dependable output.
• 500W RMS HA-A800.1 AMPLIFIER: The HA-A800.1 amplifier supplies a clean and steady 500W RMS to power both subwoofers efficiently. Its high-quality output boosts bass without distortion or clipping. Integrated protection circuitry ensures safe operation during demanding sessions. The compact chassis allows flexible mounting options inside the truck. This amplifier delivers strong, balanced performance for your upgraded sound system.
• INCLUDES COMPLETE 4GA WIRING KIT: The included 4-gauge wiring kit ensures maximum power delivery for peak amplifier performance. Heavy-duty wires reduce voltage drop and improve overall system efficiency. Quality connectors provide secure and long-lasting electrical contact. The kit includes all components needed for a clean, professional-level installation. It simplifies setup and helps your audio system perform at its best.