Alpine R2-DB8V-TRK
$800.00
Halo Series 8″ ported dual subwoofer enclosure with two 8″ R2-Series subwoofers
Sound and style for your truck. Alpine’s R2-DB8V-TRK loaded subwoofer enclosure delivers powerful bass in a versatile design specifically engineered for full-size trucks. This innovative system features two premium Alpine R2-Series subwoofers in an adjustable-width enclosure that fits under the rear seats of most crew cab trucks or in the cargo area of Jeep Wranglers and Gladiators.
The R2-DB8V-TRK combines thoughtful design, premium materials, and powerful performance to create a subwoofer solution that’s as practical as it is impressive. Its side-firing ports work with your truck’s interior acoustics to enhance low-frequency output, while the adjustable width ensures a secure, custom-like fit in your specific vehicle.
Product Highlights
- Featured in: “Best loaded subwoofer boxes for 2025”
- Type: 8″ ported dual subwoofer enclosure with adjustable width
- Subwoofers: Two Alpine R2-W8D2 8″ subs with Kevlar-reinforced pulp cones
- Power Handling: 750 watts RMS
- Frequency Response: 32-200 Hz
- Impedance: 2 ohms (when both enclosures are wired in parallel)
- Sensitivity: 84 dB
Key Features
- Pro-Link™ Design: Adjustable width from 40″ to 51″ for custom fit
- Premium Construction:
- Kevlar-reinforced pulp cone woofers
- Santoprene rubber HAMR (High Amplitude Multi-Roll) surrounds
- 5/8″ MDF enclosure with black carpet covering
- Side-firing ports for enhanced bass response
- Installation Flexibility:
- Integrated amplifier mounting tray (optimized for Alpine mono amps)
- EZ Change twist-lock grille system
- Adjustable mounting feet for secure fit
- Down-firing configuration for under-seat installation
Vehicle Compatibility
- 2018-up Chevy Silverado Crew Cab
- 2015-up Ford F-150 Crew Cab
- 2018-up GMC Sierra Crew Cab
- 2018-up RAM 1500 Crew Cab
- 2020-up Jeep Gladiator JT (under seat)
- 2020-up Jeep Wrangler JK/JL (rear cabin space)
Package Contents
- Driver side enclosure
- Passenger side enclosure
- Front link bracket (installed on back of front cover)
- Rear link bracket
- Front cover with attached trim bars
- Two amp tray brackets
- Six stacking feet (installed on enclosures)
- Two extra foot spacers
- Two extra rubber feet
- Allen keys (4mm, 3mm)
- Installation manual
Physical Dimensions
- Dimensions:
- Width: Adjustable from 40″ to 51″
- Height: 8-11/16″ (8.63″)
- Depth: 14″
- Enclosure Type: Ported (side-firing)
- Color: Black carpet covering
- Construction Material: 5/8″ MDF
Subwoofer Specifications
- Woofer Size: 8 inches (two woofers)
- Woofer Construction:
- Cone Material: Pulp with Kevlar reinforcement
- Dust Cap: Mica/talc
- Surround: Santoprene rubber High Amplitude Multi-Roll (HAMR)
- Voice Coil Configuration:
- Dual 2-ohm voice coils per woofer
- Each enclosure wired for 4-ohm load at its terminals
- Both enclosures can be parallel-wired for a 2-ohm load
Audio Performance
- Power Handling: 750 watts RMS (300-750 watts RMS range)
- Frequency Response: 32-200 Hz
- Sensitivity: 84 dB
- Tuning Frequency: 36 Hz
Connection and Mounting
- Terminals: Spring post terminals (accept speaker wire up to 12 AWG)
- Mounting Configuration: Down-firing design for under-seat installation
- Mounting Features:
- Three pre-installed stacking feet per enclosure (1″ clearance)
- Additional spacers and rubber feet for uneven surfaces
- Adjustable width via Pro-Link brackets
Amplifier Mounting
- Integrated Amp Tray: Mounts between the two enclosures
- Available Mounting Space: 11″ × 9″ (width × depth) when enclosure is at full 51″ width
- Compatibility: Optimized for Alpine mono subwoofer amplifiers
- Installation Note: Amp tray brackets must be drilled to match amplifier mounting holes
System Integration
- Enclosure Design: Two separate ported subwoofer enclosures linked by adjustable brackets
- Wiring Configuration: Can be wired in parallel for 2-ohm load at amplifier output
- Grille System: EZ Change twist-lock design for different aesthetic options