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Jeep Gladiator 4x8" Loaded Under Seat Subwoofer Box w/ LED 1800W RMS 1-Ohm DS18

CASE QUANTITY: 1

PACKAGE WEIGHT: 130.0 LB

SKU DS-JT-S84LD
by DS18
Save 20% Save 20%
Original price $1,562.44
Original price $1,562.44 - Original price $1,562.44
Original price $1,562.44
Current price $1,249.95
$1,249.95 - $1,249.95
Current price $1,249.95

Free Gifts when added to Cart

The more you spend, the greater selection of free gifts you'll have at your fingertips when selecting items in your shopping cart!

  • Custom Jeep Fit: Designed specifically for 2020 and newer Jeep Gladiator models, fitting perfectly under the rear seat with no seat lift or modification required.
  • Serious Power: Delivers up to 1800 Watts RMS and 3600 Watts Max through four preloaded DS18 ZR8.2D subwoofers wired to a 1-ohm final load.
  • Premium Build: Sealed ¾” MDF enclosure wrapped in black leather with acrylic accents for a show-ready look and long-lasting durability.
  • Digital Dream LED Lighting: Integrated RGB lighting system controlled via DS18’s LC-DRM Bluetooth module (sold separately) for custom color and pattern effects.
  • Deep, Tight Bass Response: Tuned from 35Hz to 100Hz for powerful, controlled low-end that enhances any music style on or off the road.


Jeep Gladiator 4x8" Loaded Under Seat Subwoofer Box w/ LED 1800W RMS 1-Ohm DS18


This Listing Includes:



  • (1) DS18 JT-S84LD Loaded Under Rear Seat Subwoofer Enclosure

  • (4) DS18 ZR8.2D 8" Dual 2-Ohm Subwoofers (Pre-Installed)


Key Features:



  • Custom-fit for 2020 - Up Jeep Gladiator, installs under the rear seat with no lift required

  • Loaded with four DS18 ZR8.2D 8" subwoofers delivering 1800W RMS / 3600W MAX @ 1 Ohm

  • Sealed 3/4" MDF construction wrapped in black leather with acrylic highlights

  • Integrated DS18 Digital (Dream) RGB LED lighting system (LC-DRM module required)

  • Tuned for 35 - 100Hz frequency response for tight, accurate low-end bass


General Specifications:



  • Speaker Size: 4 x 8" (Quad 8")

  • Impedance: 1 Ohm (Parallel)

  • RMS Power Handling: 1800W

  • MAX Power Handling: 3600W

  • Sensitivity: 91dB

  • Frequency Response: 35Hz - 100Hz

  • Box Type: Sealed

  • Box Volume (per chamber): 0.88ft / 25L

  • Material: 3/4" MDF wrapped in leather

  • LED Type: Digital RGB (Dream) 12V

  • Finish: Black Leather / Acrylic

  • Compatible Vehicles: Jeep Gladiator 2020 - Up

  • Requires DS18 LC-DRM lighting controller (sold separately)


Dimensions:



  • Width: 44.3" (1125mm)

  • Depth: 11.2" (285mm)

  • Height (Front): 7.2" (183mm)

  • Height (Rear): 5.8" (148mm)

  • Weight: 75 lbs (approx.)

Accepted Payment Methods at Big Jeff Audio

At Big Jeff Audio, we strive to make your shopping experience as smooth as possible by offering a wide variety of payment options. Below is a complete list of the payment methods we accept:

Credit and Debit Cards

  • Visa
  • Mastercard
  • American Express
  • Discover
  • Diners Club

Digital Wallets

  • Amazon Pay
  • Apple Pay
  • Meta Pay (formerly Facebook Pay)
  • Google Pay
  • Shop Pay
  • PayPal

International Payment Methods

  • Bancontact
  • iDEAL

Bank Transfers

  • Zelle

Financing Options

We also offer financing options to make purchasing easier. Learn more about our financing options here.

  • Klarna
  • Affirm
  • Sezzle
  • Snap
  • Acima
  • Tiptop

If you have any questions or need assistance with payments, feel free to reach out to us at info@bigjeffaudio.com or call us at 737-BIG-JEFF.

Shipping Options and Delivery Time

Do You Offer Expedited Shipping?

Yes! At checkout, you can select from different shipping options:

  • Standard Shipping: Free for orders over $100.
  • Expedited Shipping: Available at an additional cost, calculated based on the weight and destination of your order.

How Long Does Delivery Take?

  • Handling Time: Most orders are processed and shipped within 1 business day after receiving cleared payment. Occasionally, additional handling time may be required, but we’ll notify you if that’s the case.
  • Standard Shipping: Typically takes 3-5 business days, though delivery may be affected by extreme weather or holidays.

What Happens If My Package Is Undeliverable?

If your package is refused or marked undeliverable and returned to us by the carrier, you’ll need to pay the full shipping cost to have the package resent. Alternatively, we can refund your order, minus the cost of shipping.

Why Can’t I Track My Order?

If you're having trouble tracking your order:

  • Make sure you’ve received the shipping confirmation email with the tracking number.
  • Log into your account on our website and use the “Check Your Order Status” button.
  • If the issue persists, please refer to our detailed guide on tracking your order or contact our customer service team for further assistance.
This is a collage image.  The word family displayed across with photos of the Big Jeff Audio employees inside each letter and a blurred background of our setup at a car show This is a collage image.  The word family displayed across with photos of the Big Jeff Audio employees inside each letter and a blurred background of our setup at a car show

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What began in 2014 as a small family-run shop on E-bay & Amazon has grown into a thriving business built on trust, dedication, and a passion for helping our customers find exactly what they need.

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