JL Audio SBX-F-150-SCDBL/12TW3 STEALTHBOX® Enclosed Enclosed Subwoofer (for Ford F-150 SuperCrew and SuperDuty Crew Cab)

Product Overview:

Stealthbox® for F-150 SuperCrew and SuperDuty Crew Cab trucks fills your truck with stunning sub bass output and quality, with no intrusion on cab space. Featuring an all-fiberglass, sealed enclosure design, this Stealthbox® houses two of our revolutionary 12TW3 thin-line subwoofers and installs neatly under the rear seat, without compromising rear seat comfort.

Contains two 12TW3-D8 subwoofers in a sealed enclosure. 800 watt power handling. Wired for 2 ohm mono. Installs under rear bench seat and requires removal of under-seat storage tray, if so equipped. Installation requires removal of OEM “subwoofer”, if so equipped. Does not affect folding or reclining of seat.

Key Highlights:

• Tailored Fit: Designed specifically for Ford F-150 SuperCrew and SuperDuty Crew Cab trucks
• Premium Build: All-fiberglass, sealed enclosure for durability and acoustic precision
• Space-Saving Bass: Houses two 12TW3-D8 thin-line subwoofers without using cab space
• Powerful Output: Delivers deep, high-quality sub bass for an immersive audio experience
• Smart Installation: Fits neatly under rear bench seat without sacrificing comfort
• High Power Handling: Handles up to 800 watts for maximum performance
• Optimized Wiring: Pre-wired for a 2 ohm mono configuration
• Simple Upgrade: Requires removal of under-seat storage tray if equipped
• OEM Compatible: Installation requires removing factory subwoofer if equipped
• No Compromises: Does not affect seat folding or reclining functionality

Key Specifications:

• Continuous Power Handling (RMS): 400 W
• Recommended Amplifier Power (RMS): 200 – 400 W
• Nominal Impedance (Znom): Dual 8 Ω
• Free Air Resonance (Fs): 32.660 Hz
• Electrical “Q” (Qes): 0.558
• Mechanical “Q” (Qms): 10.071
• Total Speaker “Q” (Qts): 0.668
• Equivalent Compliance (Vas): 1.205 cu ft / 34.12 L
• One-Way Linear Excursion (Xmax): 0.6 in / 15.2 mm
• Efficiency (1 W / 1 m): 84.23 dB SPL
• Effective Piston Area (Sd): 83.517 sq in / 0.0539 sq m