Alpine Compatible with 2009-2014 Ford F150 Super Crew Cab Sealed Single 12" W12S4 Loaded Subwoofer Stereo Sub Box Enclosure Car Audio Bundle 250W RMS 4 Ohm

★★★★★ 4.2 33 reviews

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Management number 218517057 Release Date 2026/05/03 List Price $57.98 Model Number 218517057
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This Package includes the following: 1 x Compatible with 2009-2014 Ford F150 Super Crew Cab Truck Custom Single 12" Subwoofer Enclosure Sub Box1 x Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" SubwooferCompatible with 2009-2014 Ford F150 Super Crew Cab Truck Custom Single 12" Subwoofer Enclosure Sub BoxFeatures:Mounting Depth: 6-1/4"Air Space: 0.80 Cubic FeetSealed EnclosureDimensions: Width 26" x Depth 14" x Front Height 9" x Back Height 6"Constructed with High Quality MDFHigh Quality Spring Loaded Terminal Cup (Bare Wire 'up to 10GA')High Quality Black CarpetEnclosure installs under rear seat down firingThis box is Compatible with Ford:2009-2014 F150 Super Crew Cab TruckAlpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer:General Features:12" Single 4 ohm BassLine (Bass) Series SubwooferSubwoofer Series: BassLine (Alpine)Subwoofer Size: 12"Peak Power Handling: 750 wattsRMS Power Handling: 250 wattsVoice Coil(s): SingleImpedance (Per Voice Coil): 4 ohmsVoice Coil Diameter: 2"Frequency Response: 22 - 200 HzSensitivity: 87.9 dBXmax (millimeters): 10 mmSubwoofer Design: Round / CircleMain Cone Color: BlackWoofer Composition: Mica Injected Polypropylene - MIPPWoofer Surround: Poly-FoamSubwoofer Grille: Optional (Accessory required and sold separately) Alpine KTE-12PG

  • ALPINE W12S4 POWERFUL AND DEEP 12-INCH BASS PERFORMANCE - The Alpine W12S4 subwoofer delivers rich, hard-hitting, and accurate bass that dramatically elevates your truck’s audio system. Its 12-inch woofer produces deep low-end frequencies without muddying vocals or midrange tones. The rugged construction ensures dependable daily performance. It maintains clarity even at higher volume levels. This subwoofer provides a major upgrade over factory sound.
  • ENGINEERED FOR 2009–2014 FORD F-150 SUPER CREW CAB FITMENT - The enclosure is designed specifically for 09–14 F-150 Super Crew models. It installs cleanly behind or under the rear seats without requiring modifications. The compact footprint preserves passenger and cargo space while still delivering strong bass output. It integrates smoothly with the truck’s interior for a factory-style appearance. This ensures optimal sound direction and cabin acoustics.
  • SINGLE CHAMBER SEALED ENCLOSURE FOR CLEAN, ACCURATE BASS - The sealed design produces tight, controlled, and well-defined low frequencies. It minimizes unwanted resonance for cleaner playback across all music genres. This consistent airflow ensures reliable bass performance at any listening volume. It provides clarity and precision ideal for drivers who prefer accurate sound. This configuration offers dependable low-end response.
  • DURABLE AND RIGID ENCLOSURE FOR LONG-LASTING PERFORMANCE - The enclosure is built from high-quality materials that reduce vibration and structural flex. This promotes accurate woofer movement and clean bass reproduction. It withstands daily driving conditions, temperature swings, and long-term wear. The sturdy build also protects the subwoofer from rear-seat cargo impact. This ensures years of reliable audio output.
  • PRELOADED AND READY FOR FAST INSTALLATION - The subwoofer comes pre-mounted in the enclosure for a quick, hassle-free setup. This eliminates installation guesswork and saves significant time. It pairs easily with most aftermarket amplifiers for smooth system integration. The plug-and-play design allows F-150 Super Crew owners to upgrade their bass immediately. It delivers instant improvement tailored to the 09–14 F-150 Super Crew.
UPC 634855682052
Brand Alpine
Model Name FTB1X12-09CREW:W12S4
Manufacturer Alpine
Model Number FTB1X12-09CREW:W12S4
Speaker Type Subwoofer
Mounting Type Flush Mount
Number of Items 2
Warranty Description 1 Year Manufacturer
Connectivity Technology RCA
Item Dimensions D x W x H 28.1"D x 14.55"W x 9.3"H
Speaker Maximum Output Power 750 Watts

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