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JL Audio Stealthbox SB-MIN-COOP/8W7

Custom-Fiberglass Enclosure w/ Two 8W7-3 Subwoofers for 2007-Up Mini Cooper & Cooper S (94426)

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Custom Stealthbox Enclosure with Two 8W7-3 Subwoofers • 2000W Max • 1000W RMS • For 2007-Up Mini Cooper and Cooper S • Installs In Cargo Area • Fiberglass Carpeted Sealed Enclosure • Features an Indentation for the Mounting of One or Two JL Audio HD Amplifiers • Aluminum Metal Rods for added protection

See compatible vehicles Learn more about the sbmincoop8w7

We apologize

This item has been discontinued


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Product Highlights


Custom Stealthbox Enclosure with Two 8W7-3 Subwoofers • 2000W Max • 1000W RMS • For 2007-Up Mini Cooper and Cooper S • Installs In Cargo Area • Fiberglass Carpeted Sealed Enclosure • Features an Indentation for the Mounting of One or Two JL Audio HD Amplifiers • Aluminum Metal Rods for added protection

Description


JL Audio brand icon

Authorized dealer

The JL Audio Stealthbox in your Mini Cooper:

For anyone who drives a Mini Cooper or Mini Cooper S, you know that one of the main features of this vehicle is its compact size. This leaves very little room and limits the options you have when looking to add bass to the car’s audio system. JL Audio’s Stealthbox is the perfect fiberglass loaded enclosure that will seamlessly integrate into the interior of the vehicle, taking full advantage of the space available. The Stealthbox features two 8” JL Audio 8W7-3 subwoofers that are designed specifically for the enclosure creating the best sound possible.

Not all loaded enclosure are created equal, here at some of the main features as to why JL Audio's Stealthboxe is the only true option for bass integration.

  1. Manufacturered specifially for the 2007-Up Mini Cooper & Cooper S
  2. Superior bass performance
  3. Blends with the vehcile's interior for a hidden installation

What You Get:

Below are the major components that make up this Stealthbox and their specific features.

Subwoofer Features:
  • Pair of 8" Single 3 Ohm W7 Subwoofers
  • Power Handling:
    • Peak: 2000 watts total / 1000 watts each
    • RMS: 1000 watts total / 500 watts each
  • Impedance: Single 3 ohm
  • OverRoll Surround
  • W-Cone
  • Floating-Cone Attach Method
  • Plateau-Reinforced Spider Attachment
  • Radially Cross-Drilled Pole Piece
  • Massive Forced-Air-Cooled Aluminum Alloy Frame
  • Highly Linear, DMA-Optimized Motor System
  • Huge Diameter, Progressive Roll Spider
  • Co-Extruded Double Lead Wires
  • 1-year SonicElectronix.com warranty
Enclosure Features:
  • For 2007-Up Mini Cooper/ Cooper S
  • Two chambers for separate sealing of each woofer
  • Each woofer is wired to a 3 ohm load within in its respective chamber
  • Fiberglass sealed loaded enclosure
  • Loaded with two 8W7-3 subwoofers
  • Installs in cargo space
  • Features a recess between woofers for the installation of one or two JL Audio HD amplifiers
  • Aluminum rods provide protection and style
  • Professional carpeted finish
  • Hidden-from view terminals for cleanest installation possible
  • Binding post terminals for secure and sturdy connection and installation
  • Color Match Grade: Excellent
  • Also found as: JL Audio 94426, SBMINCOOP8W7, JL Audio Stealthbox Mini Cooper, Stealthbox-SB-Mini-Cooper-8W7

Note: Stealthbox will not fit Clubman or convertible models. When mounting two amplifiers, stacking kit will be required for proper installation.

*JL Audio Stealthboxes are special-ordered for each customer and usually ship within 7-14 business days. As such, orders for Stealthboxes cannot be canceled unless it is unavailable.

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2017 MINI Cooper is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Subwoofer Specifications
Series
W7 Series
Voice Coil(s)
Single
Impedance (Per Voice Coil)
3 ohm
RMS Power Handling
500 watts
Total RMS Power Handling
1000 watts
Peak Power Handling
1000 watts
Total Peak Power Handling
2000 watts
Woofer Surround
Foam
Woofer Composition
Polypropylene
Sensitivity
83 dB
Frequency Response
23 - 250 Hz
Xmax (millimeters)
19 mm
Subwoofer Size
8"
Enclosure Specifications
Number of Subwoofers
2
Box Style/Shape
Vehicle Specific
Number of Terminals
2
Terminal Type
Binding posts
Box Finish
Carpet
Box Type
Sealed
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

SB-MIN-COOP/8W7

Weight:

75.00lbs

Internal SKU:

sbmincoop8w7

Internal Product ID:

40421

Product and How-to Videos


  • JL Audio Jeep Wrangler Stealth Box | Demo
  • JL Audio Stealthbox Vehicle Specific Subwoofer Enclosures | Product Overview

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.