JL Audio SB-SMRT-4-2/8W3v3 owner manual N G R a T U L a T I O N S

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S T E P 1 1

Slide the enclosure up into place, it’s a tight fit and, you’ll need to move it around a little but if you start as shown, it will go in without any problems.

S T E P 1 2

Looking at the end of the dash, you should see the Elevated Bracket pointing up next to the previously installed Speed Clip. (See Arrow)

S T E P 1 3

Rotate the Elevated Bracket so that the slotted end is over the Speed Clip (as shown) and, install the included 1/4-20 x 1” Hex Head Bolt, Split Lockwasher and Washer.

DO NOT TIGHTEN THIS ASSEMBLY YET!

S T E P 1 4

Rotate the Bottom Bracket on the 1/4-20 All Threaded Rod so that it lines up with the threaded insert in the Stealthbox®, you may need to raise or lower the position of the Bottom Bracket on the All Threaded Rod in order to align everything. Install the included 3/8-16 x 1” Hex Head Bolt, Split Lock Washer and Washer as shown, securing the Stealthbox® via it’s Threaded insert to the Threaded Rod.

DO NOT TIGHTEN THIS ASSEMBLY YET!

SB-SMRT-4-2/8W3V3 INSTR_SKU# 011288

S T E P 1 5

Install the included, 3/8-16 x 1” Hex Head Bolt, Split Lockwasher and Washer through the Right Angle Bracket installed in STEP 8 into the Stealthbox® as shown.

NOW YOU NEED TO TIGHTEN ALL OF THE PREVIOUSLY INSTALLED HARDWARE!

Re-install the woofer into the enclosure.

Re-assemble the end of the dash in the reverse order that it was disassembled, re-install the Foam Underlayment and the Carpet.

S T E P 1 6

C O N G R A T U L A T I O N S !

You have completed the installation for this model!

Enjoy your new Stealthbox®!

Please refer to the Power Recommendation section for an amplifier recommendation and basic set-up help.

Page 3 • JL Audio, Inc 2009

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Contents Hours Installation G u i d eSKU#94448 2008+ Estimated TimeDo not Tighten this Assembly YET T a I LE P 1 N G R a T U L a T I O N S D / H I G H F r e q u e n c y D r i v e r F I T M E N T Specification SC L U D E D H a R D W a R E W e r R e c o m m e n d a t i o n

SB-SMRT-4-2/8W3v3 specifications

The JL Audio SB-SMRT-4-2/8W3v3 is a defined powerhouse in the realm of automotive audio, engineered specifically for the 2007-2018 Jeep Wrangler. This innovative subwoofer enclosure is designed to elevate the auditory experience of drivers and passengers alike, delivering a rich and balanced bass response that enhances the overall sound quality of your vehicle's audio system.

One of the primary features of the SB-SMRT-4-2/8W3v3 is its compatibility with the 8W3v3 subwoofer from JL Audio. This subwoofer is known for its remarkable efficiency, and when paired with the enclosure, it produces deep, impactful bass. The enclosure is constructed from high-quality MDF (medium-density fiberboard), ensuring durability while minimizing any unwanted resonance or sound distortion.

Another notable aspect of the SB-SMRT-4-2/8W3v3 is its sleek design, which allows it to seamlessly integrate into the Jeep's interior. The enclosure is molded to fit snugly within the vehicle, preserving cargo space while offering an aesthetic appeal that matches the Jeep's rugged style. Its black texture finish further enhances its visual integration, making it an attractive addition to any Jeep.

The enclosure features a vented design that optimizes airflow and subwoofer performance, enhancing the overall bass output without compromising on clarity or detail. This design approach ensures that users can enjoy a well-rounded listening experience, whether they are pumping out high-energy music or enjoying more subdued sounds.

Installation is made easy with the SB-SMRT-4-2/8W3v3, as it comes with pre-drilled holes and mounting hardware, allowing users to set it up quickly and efficiently. Additionally, the enclosure is engineered to work with various amplifier configurations, providing flexibility in building a customized audio system.

In summary, the JL Audio SB-SMRT-4-2/8W3v3 is a high-performance subwoofer enclosure that embodies quality, durability, and convenience. Its perfect compatibility with the 8W3v3 subwoofer, coupled with its thoughtful design and ease of installation, makes it an exceptional choice for any Jeep Wrangler owner seeking to enhance their vehicle's audio experience. With this product, JL Audio continues to build upon its legacy of excellence, delivering powerful, high-quality audio solutions for automotive enthusiasts.
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