Trail Seven's 12" Tailgate Enclosure | '21- Current Ford Bronco

Your plug and play bundle is hand assembled in our Frederick, MD facility. Current processing lead times from order to ship: 5-7 business days

Includes a triple-layer construction of acoustic foam, foil, and rubber butyl for durability and superior performance. Effectively reduces resonance and back wave cancellation, crucial for achieving optimal sound quality in any enclosure. Each box is coated with a durable bed liner polymer spray to enhance its longevity and provide a rugged appearance.



These USA-made enclosures are constructed from high-grade, full 3/4" MDF, ensuring robustness and exceptional sound quality.



TESTED AND APPROVED BY TRAIL SEVEN: Our tailgate subwoofer enclosures have been installed and tested on our Trail Seven Bronco in Frederick, MD and we're pleased to put our stamp of approval on this package!

Alpine RS-W12D4 Subwoofer: With an ultra-shallow subwoofer design and powerful sound output, the R-Series Shallow Subwoofers give you the best of both worlds in size and sound.

• 12” High-Performance Shallow Bass Driver  
• Alpine Gen2 DD Linear Magnetic Circuit   
• Cast Aluminum Frame  
• Aluminum Dust Cap  
• Neodymium Magnet
• Sealed Trail Seven 12" subwoofer enclosure

Alpine S2-W12D4 Subwoofer: Add extra punch to your sound system with the S-Series S2-W12D4 12" Subwoofer; now redesigned for powerful and reliable bass performance at an approachable price point.

• Dual Voice Coil Subwoofers with Configuration Jumpers 
• Carbon Fiber / Poly Propylene Cone
• Poly Propylene / Ceramic Dust Cap
• High-Grade Strontium Ferrite Magnets
• Twist-Lock Grille Mount System  
• High-Amplitude Multi-Roll (H.A.M.R.) Surround
• Push-Type Speaker Terminals (Up to 8AWG Wire Size)
• Sealed Trail Seven 12" subwoofer enclosure

Kicker 12" CompRT Subwoofer: The specially designed UniPlate™ back plate and solid pole piece serve as a single heat-absorbing unit to provide excellent thermal management. With our custom SoloKon™ technology and the CompRT’s unique framework, the sub sounds fat – but keeps it thin!

• 2-ohm Dual Voice Coil
• Polypropylene Cone
• High-strength ferrite magnet
• Cast Aluminum frame
• Ribbed, high-density surround foam
• Sealed Trail Seven 12" subwoofer enclosure

Hertz 10" Subwoofer MPS 250 S2: MPS 250 S2 shallow subwoofer has been designed to achieve exceptional performance even when there is very little space available to install the subwoofer box.

• Ultra-shallow overall depth
• 500W continuous power handling
• Optimized for extremely-compact sealed enclosure 12-14L (0.4-0.5CF)
• Air Intercooling Revolution (A.I.R.) prevents air-compression-related limitations
• Unrivalled mechanical excursion, +20% over traditional designs
• Six-layer copper voice coil (38mm/1.5 in.) ensures high thermal capacity
• Non-vented rear design allows reduced enclosure depth
• Robust screw-less mesh grille included with black screws provided
• Die-cast aluminum frame
• Solid horizontal 8AWG spring-loaded terminals
• EID: Scan, Discover, Identify

Alpine RS-W12D4 Subwoofer:

• Power Handling:600W RMS / 1800W Peak
• Nominal Impedance:4Ω
• Frequency Response:26Hz - 200Hz
• Sensitivity (1W/1M): 81bB
• Voice Coil: 4"
• X-Max (1-Way): 20mm
• Dimensions: Width 27", Front Height 17", Rear Height 17", Height 17", Bottom Depth 6.25", Top Depth 6.25", Depth 6.25", Mounting Depth 5.25"
• Weight: 21 pounds
• Air Space per Cubic Foot: 0.98

Alpine S2-W12D4 Subwoofer:

• Power Handling:600W RMS / 1800W Peak
• Nominal Impedance:4Ω
• Frequency Response:23Hz - 215Hz
• Sensitivity (1W/1M):86.2dB
• Voice Coil:2.6"
• X-Max (1-Way):15mm
• Magnet Weight:64oz
• Dimensions: Width 27", Front Height 17", Rear Height 17", Height 17", Bottom Depth 6.25", Top Depth 6.25", Depth 6.25", Mounting Depth 5.25"
• Weight: 21 pounds
• Air Space per Cubic Foot: 0.98

Kicker 12" CompRT Subwoofer:

• Impedance: 2 Ohms
• Recommended Amplifier Power: 500 Watts RMS
• Peak Power: 1000 Watts
• Sensitivity: 98 dB
• Tuning Frequency: 35 Hz
• Dimensions: Width 27", Front Height 17", Rear Height 17", Height 17", Bottom Depth 6.25", Top Depth 6.25", Depth 6.25", Mounting Depth 5.25"
• Weight: 21 pounds
• Air Space per Cubic Foot: 0.98

Hertz 12" Subwoofer MPS 300 S2:

• Size mm (in.): 300 (12)
• Power Handling - Continuous W: 500
• Power Handling - Peak W: 1000
• Impedance Ohm: 2
• Depth mm (in.): 88 (3.46)
• Voice Coil Type: single
• No Filter Component: Subwoofers
• Voice Coil Ø: 38 (1.5)
• Frequency Response Hz: 25 - 400
• Magnet size D x d x h mm (in.): 156 x 60 x 36 (6.14 x 2.36 x 1.42)
• Weight of one component kg (lb.): 6,64 (14.64)
• Magnet: High density flux ferrite
• Cone: Polypropylene
• Xmech mm (in.): 20 (0.79)

One of The Following;

• Kicker CompRT 12" Tailgate Subwoofer: Harness, subwoofer grille, subwoofer speaker wire, mounting hardware and bracket.
• Alpine R-Series 12" Tailgate Subwoofer: Harness, subwoofer grille, subwoofer speaker wire, mounting hardware and bracket.
• Alpine S-Series 12" Tailgate Subwoofer: Harness, subwoofer grille, subwoofer speaker wire, mounting hardware and bracket.
• Hertz Mille Pro 12" Tailgate Subwoofer: Harness, subwoofer grille, subwoofer speaker wire, mounting hardware and bracket.