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NVX BOOST Box Package with Sundown Audio 12" Subwoofers

For select 1999-2006 vehicles from GMC, Chevrolet Extended Cab - Dual 12" BOOST Sealed Enclosure with Two SML-12 D4 Subwoofers

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• Custom Fit Dual 12" Sealed BOOST Box Package
• Compatible with select 1999-2006 vehicles from GMC, Chevrolet Extended Cab
• Includes Two Sundown Audio SML-12 D4 subwoofers
• 1200W Peak each / 600W RMS each
• 3/4" Medium Density Fiberboard (MDF) construction
• Durable premium carpet finish
• Subwoofer and enclosure not pre-assembled

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2026-07-27 11:08:20
List price $767.97
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$629.97

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NVX - Worth the Envy - Direct to Consumer Car Audio

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Description


NVX brand icon

Authorized dealer

NVX Empty BOOST Box - 1996-2006 Chevy Silverado, GMC Sierra - VE-GM-SLVECG1-D12S

For select 1999-2006 vehicles from GMC, Chevrolet Extended Cab Trucks - Dual 12" Empty BOOST Down Firing Sealed Truck Enclosure
Quantity: 1

Product Details:

  • Custom Fit Empty Dual 12" BOOST Sealed Truck Enclosure
  • Compatible with select 1999-2006 vehicles from GMC, Chevrolet
  • Durable 3/4" Medium Density Fiberboard (MDF) construction
  • Precision-engineered using state-of-the-art CNC technology
  • Meticulously hand-assembled to ensure the highest quality
  • Finished with premium carpet for a high-end appearance
  • Loaded enclosure also available here
  • Maximum subwoofer mounting depth: 5-7/16"
  • Subwoofer cutout diameter: 11-1/8"
  • Box volume: 0.82 cubic feet (per chamber)
  • Total box volume: 1.64 cubic feet
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Sundown Audio SML-12 D4 12" (SML12D4)

1200W Peak (600W RMS) 12" SML Series Dual 4-ohm Shallow Car Subwoofer (SW-SML12D4)
Quantity: 2

Product Details:

  • 12" Dual 4 ohm SML Series Shallow Subwoofer
  • Power Handling:
    • Peak: 1200 watts
    • RMS: 600 watts
  • Pressed Paper Cone
  • Pressed Foam Surround
  • Custom tooled cone shape for reduced noise over high excursion
  • Stitched-on “Mini-XL” tinsel Leads to prevent fatigue and failure
  • Vented pole-piece and vented magnetic gap
  • Dual-magnet design for smooth acoustic response
  • 2.5" High Temperature Copper Voice coil on black aluminum former
  • High temperature 4-layer copper voice coil wire
  • 14 mm Xmax
  • Double Stacked magnet motor structure
  • Bolt-through motor design to ensure maximum longevity
  • Resonance Frequency (Fs): 39.905 Hz
  • Sensitivity: 86.7 dB
  • Recommended sealed box volume: 0.75 cubic feet - 1.0 cubic feet
  • Recommended ported box volume: 1.25 cubic feet - 1.75 cubic feet
  • Top-mount depth: 4.45"
  • Cutout diameter: 10.74"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

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Item Details


Manufacturer:

NVX

Model Number:

VEGMSLVECG1D12S-L12D4

Weight:

68.60lbs

Internal SKU:

vegmslvecg1d12s-l12d4

Internal Product ID:

223335

Customer Ratings & Reviews


NVX BOOST Box Package with Sundown Audio 12

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