10 Best Jeep Gladiator Subwoofer Enclosures for Deeper Bass in 2026

Upgrading your Gladiator’s bass doesn’t have to mean sacrificing storage or daily usability. The right enclosure can deliver fuller low-end response while still fitting the truck’s interior layout.

Below, we focus on Jeep Gladiator subwoofer enclosures that balance fitment, enclosure style, and output so you can choose the best match for your build and listening habits.

Best 10 Jeep Gladiator Subwoofer Enclosures Picks for 2026

Up-Firing Dual 10" Bass Upgrade

Skar Audio Dual 10" Ported Enclosure

Skar Audio Dual 10" Ported Enclosure
  • Fits 2019-2025 Jeep Gladiator trucks
  • Dual 10" ported, up-firing design
  • Pre-soldered 12-gauge OFC wiring included

Best For: Gladiator owners wanting a ported dual-10 under-seat setup

USA-Made Sealed Dual 10" Box

Rockville REC133 Sealed Dual 10" Box

Rockville REC133 Sealed Dual 10" Box
  • Fits 2019-2023 Jeep Gladiator under rear seat
  • 5/8" MDF with bed liner spray finish
  • Made in the USA with silicon-sealed seams

Best For: Buyers wanting a sealed, rugged, vehicle-specific enclosure

Dual 12" Up-Firing Bass Box

SoundBox Gladiator Dual 12" Upfire Enclosure

SoundBox Gladiator Dual 12" Upfire Enclosure
  • Fits Gladiator 2019-UP models
  • Dual 12" up-firing under-seat design
  • 0.51 cu ft airspace per subwoofer

Best For: Owners wanting the biggest driver size in an under-seat layout

Compact Loaded 8" Off-Road Bass

STINGER Dual 8" Loaded Underseat Enclosure

STINGER Dual 8" Loaded Underseat Enclosure
  • Fits 2020-24 Jeep Gladiator JT models
  • Loaded dual 8" ported design
  • RoadKill-Armor coating adds rugged protection

Best For: Drivers wanting a compact, rugged, plug-and-play bass upgrade

Dual 10-Inch Up-Fire Pick

Rockville REC158 2019-2026 Gladiator dual 10-inch sealed box

Rockville REC158 2019-2026 Gladiator dual 10-inch sealed box
  • Fits 2019-2026 Jeep Gladiator models
  • Dual 10-inch sealed up-fire layout
  • MDF build with Poly-Fil and prewired terminals

Best For: Gladiator owners who want a sealed dual-10 setup with under-seat packaging

Ported Dual 12 Value Pick

Skar Audio 2019-2025 Gladiator dual 12-inch ported enclosure

Skar Audio 2019-2025 Gladiator dual 12-inch ported enclosure
  • Made for 2019-2025 Jeep Gladiator trucks
  • Dual 12-inch ported up-firing design
  • Pre-soldered 12-gauge OFC wiring included

Best For: Drivers who want a ported dual-12 enclosure with straightforward wiring

USA-Made Sealed Fit Pick

Rockville REC134 2019-2023 Gladiator dual 12-inch sealed box

Rockville REC134 2019-2023 Gladiator dual 12-inch sealed box
  • Fits 2019-2023 Jeep Gladiator models
  • Made in the USA with 5/8-inch MDF
  • Bed liner finish and under-seat sealed design

Best For: Buyers who want a sealed dual-12 enclosure with USA-made construction

Heavy-Hitting Truck Box

Dual 12" Loaded Ported Enclosure

Dual 12" Loaded Ported Enclosure
  • Loaded with two 12-inch VS-12 D4 subwoofers
  • Pre-wired to a 1-ohm final load
  • Up-firing ported design with trunk-liner finish

Best For: Owners who want a ready-to-run dual-12 bass upgrade for a Gladiator

Space-Saving Bass Upgrade

Dual 12" Underseat Upfire Box

Dual 12" Underseat Upfire Box
  • Underseat upfire design for 2019-2023 Gladiator
  • Lightweight 27-pound enclosure
  • Built for two 12-inch subs

Best For: Drivers who want a lighter dual-12 enclosure and plan to supply their own subs

Compact Dual-10 Choice

2019-2025 Gladiator Sub Box

2019-2025 Gladiator Sub Box
  • Fits 2019-2025 Jeep Gladiator trucks
  • Dual 10-inch layout with 4.25-inch mounting depth
  • Wood enclosure with 1.02 cu. ft. air space

Best For: Owners who want a compact dual-10 enclosure with wide Gladiator fitment

Up-Firing Dual 10" Bass Upgrade – Skar Audio Dual 10" Ported Enclosure

If you want jeep gladiator subwoofer enclosures that prioritize strong low-end output and a clean under-seat fit, this Skar Audio option is built around a dual 10-inch ported, up-firing layout for 2019-2025 Gladiator trucks. It uses a fiberglass enclosure with an automotive-grade black trunk-liner finish, and the included 12-gauge OFC speaker wire and terminal cups help keep wiring straightforward.

Best For: Gladiator owners who want a ported dual-10 setup with an up-firing design and pre-wired installation details.

Pros:

  • Compatible with 2019-2025 Jeep Gladiator trucks
  • Dual 10″ ported, up-firing design for stronger bass response
  • Fits under the rear seat with a 9.35″ cut-out and 5.00″ mounting depth
  • Includes independent terminal cups with pre-soldered 12-gauge OFC wire

Cons:

  • Requires 10-inch subwoofers and proper amplifier matching
  • Not waterproof or water resistant

For buyers comparing jeep gladiator subwoofer enclosures, this model stands out if you want a ported design and an easy-to-place under-seat format. It is a practical choice for bass-focused builds, especially when you value the included wiring details and factory-style carpeting finish.

USA-Made Sealed Dual 10" Box – Rockville REC133 Sealed Dual 10" Box

Among jeep gladiator subwoofer enclosures, the Rockville REC133 is a straightforward sealed option for 2019-2023 Gladiator owners who want an under-seat fit and a more compact enclosure style. It uses 5/8″ MDF, a bed liner spray finish, and a vehicle-specific design that is meant to simplify installation while keeping the box durable.

Best For: Drivers who want a sealed dual-10 enclosure made in the USA with a rugged finish and easy vehicle-specific fit.

Pros:

  • Custom-fit for 2019-2023 Jeep Gladiator under the rear seat
  • Constructed from 5/8″ Grade A MDF with bed liner spray finish
  • Dual 10″ compatibility with 0.51 cu ft per sub
  • Made in the USA with silicon-sealed seams

Cons:

  • Only listed for 2019-2023 Gladiator fitment
  • Sealed design may not match buyers who want a ported box

This enclosure is a solid pick if you want a durable sealed box instead of a ported design. It focuses on clean under-seat packaging, reliable construction, and a simple install path for Gladiator-specific audio upgrades.

Dual 12" Up-Firing Bass Box – SoundBox Gladiator Dual 12" Upfire Enclosure

If your goal is to get more output from jeep gladiator subwoofer enclosures, this SoundBox model is built for a dual 12-inch up-firing setup in 2019-UP Gladiators. It uses a wood enclosure with under-seat fitment and 0.51 cubic feet of airspace per subwoofer, which makes it a strong option for owners prioritizing larger drivers and a compact install footprint.

Best For: Gladiator owners who want a dual 12-inch up-firing enclosure with under-seat fitment.

Pros:

  • Fits Gladiator 2019-UP models
  • Dual 12″ subwoofer layout with up-firing direction
  • Under-seat design with 0.51 cu ft airspace per sub
  • Compact dimensions for the truck cabin

Cons:

  • Only works with 12-inch subwoofers
  • Wood construction may be less rugged than coated specialty materials

This is a strong fit if you want to run larger 12-inch subs in a Gladiator without giving up the under-seat location. It is best viewed as a layout-first choice: big drivers, compact placement, and a straightforward vehicle-specific form factor.

Compact Loaded 8" Off-Road Bass – STINGER Dual 8" Loaded Underseat Enclosure

For shoppers comparing jeep gladiator subwoofer enclosures that are easier to package and install, the STINGER dual 8-inch loaded enclosure is designed for 2020-24 Gladiator JT models with an under-rear-seat fit. It pairs a ported, compact fiberglass build with RoadKill-Armor coating and includes an XT-90 connector, so it is aimed at owners who want a ready-to-install bass upgrade with extra durability.

Best For: 2020-24 Gladiator JT owners who want a compact loaded dual-8 enclosure with rugged protection.

Pros:

  • Vehicle-specific fit for 2020-24 Jeep Gladiator JT models
  • Loaded dual 8″ design with 1000W peak and 700W RMS stated power
  • RoadKill-Armor coating helps resist scratches, UV, chemicals, and impacts
  • Includes mounting hardware and XT-90 connector for quick setup

Cons:

  • Uses 8-inch subs instead of larger 10- or 12-inch drivers
  • Fitment is limited to 2020-24 models rather than every Gladiator year

This STINGER enclosure makes sense if you want a smaller loaded solution with off-road durability features. It is a practical choice for drivers who value plug-and-play convenience and rugged construction more than maximum sub size.

Dual 10-Inch Up-Fire Pick – Rockville REC158 2019-2026 Gladiator dual 10-inch sealed box

If you want jeep gladiator subwoofer enclosures that prioritize a compact under-seat fit, the Rockville REC158 is built around a dual 10-inch sealed, up-fire layout for 2019-2026 Gladiator models. It uses MDF panels, includes Poly-Fil, and comes prewired with nickel-plated terminals for a straightforward install in a compatible truck.

Best For: Gladiator owners who want a sealed dual-10 setup with under-seat packaging and a clean, finished look.

Pros:

  • Designed for 2019-2026 Jeep Gladiator fitment with dual 10-inch cutouts.
  • Sealed up-fire design keeps the subs positioned upward under the seat.
  • MDF construction with Poly-Fil included for a more complete enclosure package.
  • Prewired nickel-plated spring-loaded terminals simplify speaker hookup.

Cons:

  • Only supports up to 4.25 inches of mounting depth.
  • Sealed design may not suit buyers specifically looking for ported bass output.
  • Weight and size may be a consideration during installation.

This is a practical choice if you want a purpose-built sealed enclosure with polished details like vinyl trim and plexiglass. It focuses on fit, finish, and ease of integration rather than maximum cabinet volume.

Ported Dual 12 Value Pick – Skar Audio 2019-2025 Gladiator dual 12-inch ported enclosure

Among jeep gladiator subwoofer enclosures, this Skar Audio box stands out if you want a dual 12-inch ported option with an up-firing design and under-seat fit. It is made for 2019-2025 Jeep Gladiator trucks, uses fiberglass construction, and includes independent terminal cups with pre-soldered 12-gauge OFC speaker wire.

Best For: Drivers who want a ported dual-12 enclosure with straightforward wiring and a factory-style under-seat location.

Pros:

  • Compatible with 2019-2025 Jeep Gladiator trucks.
  • Dual 12-inch ported enclosure with up-firing design.
  • Independent terminal cups with pre-soldered 12-gauge OFC speaker wire.
  • Under-seat mounting preserves cabin space.

Cons:

  • Requires a larger 12-inch subwoofer setup.
  • Ported design may not be ideal for buyers focused on a sealed enclosure.
  • Fitment is listed for 2019-2025 models, not the newest 2026 trucks.

This enclosure is a strong fit for shoppers who want a ready-to-wire, dual-12 ported solution without giving up under-seat placement. The automotive-grade carpeting and listed air space make it a well-defined option for a bass-focused build.

USA-Made Sealed Fit Pick – Rockville REC134 2019-2023 Gladiator dual 12-inch sealed box

If your priority is a compact sealed option in the jeep gladiator subwoofer enclosures category, the Rockville REC134 is built for 2019-2023 Gladiator trucks and supports dual 12-inch subwoofers under the rear seat. It uses 5/8-inch MDF, is made in the USA, and finishes the enclosure with a bed liner spray coating for added durability.

Best For: Buyers who want a sealed dual-12 enclosure with USA-made construction and a rugged finish.

Pros:

  • Custom-designed for 2019-2023 Jeep Gladiator fitment.
  • Dual 12-inch sealed under-seat layout.
  • Made in the USA with 5/8-inch Grade A MDF wood.
  • Bed liner spray finish adds a durable, sealed exterior.

Cons:

  • Does not fit 2024-2026 Gladiator models according to the supplied notes.
  • Sealed design may not appeal to shoppers looking for a ported box.
  • Large dual-12 setup may be more than some systems need.

This enclosure is a good match for truck owners who value build quality and a clean under-seat installation. Its 0.51 cubic feet net volume per sub gives it a focused, flexible starting point for popular 12-inch woofers.

Heavy-Hitting Truck Box – Dual 12" Loaded Ported Enclosure

If you want jeep gladiator subwoofer enclosures with maximum output, this Skar Audio dual 12-inch loaded ported box is built for big bass in a 2019-2025 Gladiator. It comes pre-loaded with x2 VS-12 D4 subwoofers and is pre-wired to a 1-ohm final impedance load, so it is aimed at buyers who want a strong plug-in-style upgrade with minimal assembly.

Best For: Jeep Gladiator owners who want a loaded dual-12 ported enclosure with deep, responsive bass and a ready-to-install setup.

Pros:

  • Loaded with two 12-inch Skar Audio VS-12 D4 subwoofers
  • Pre-wired to a 1-ohm final impedance load at the terminal cup
  • Ported, up-firing design for deep and responsive bass output
  • Finished in automotive-grade black trunk-liner carpeting

Cons:

  • Large footprint at 49.5 inches wide and 60.4 pounds
  • May be more than needed if you only want a compact bass upgrade
  • Requires matching gear that works with a 1-ohm load

This is the pick for drivers who prioritize bass output and a loaded enclosure over space savings. If your Gladiator build can accommodate a larger dual-12 setup, it offers a straightforward path to serious low-end performance.

Space-Saving Bass Upgrade – Dual 12" Underseat Upfire Box

This Q Power option is a practical choice among jeep gladiator subwoofer enclosures if you want dual 12-inch output without moving to a loaded system. It is designed as an underseat upfire enclosure for 2019-2023 Jeep Gladiator models, and its 27-pound weight makes it notably lighter than many heavier truck boxes.

Best For: Gladiator owners who want a lighter dual-12 underseat enclosure and already have compatible subs to install.

Pros:

  • Underseat, upfire design tailored to 2019-2023 Jeep Gladiator fitment
  • Lightweight at 27 pounds for easier handling
  • Supports two 12-inch subwoofers for a stronger bass upgrade
  • Includes bass boost as an additional feature

Cons:

  • Enclosure-only design, so subs are not included
  • Fitment is listed for 2019-2023 models, not the full 2019-2025 range
  • Not waterproof or water resistant

For buyers focused on fitment and weight, this enclosure offers a simpler path to dual-12 bass in the Gladiator. It makes the most sense if you already have the subwoofers you want to use and prefer a lighter box.

Compact Dual-10 Choice – 2019-2025 Gladiator Sub Box

For shoppers comparing jeep gladiator subwoofer enclosures, this American Sound Connection dual 10-inch box is the compact, space-conscious option in the group. It fits 2019-2025 Jeep Gladiator trucks, uses a wood enclosure, and is designed with a 4.25-inch mounting depth and 1.02 cubic feet of air space to support a dual 10-inch setup.

Best For: Jeep Gladiator owners who want a compact dual-10 enclosure with broad 2019-2025 fitment.

Pros:

  • Fits 2019-2025 Jeep Gladiator trucks
  • Designed for dual 10-inch subwoofers with 4.25-inch mounting depth
  • Space-saving alternative to larger dual-12 boxes
  • Wood cabinet construction with 1.02 cubic feet of air space

Cons:

  • Does not include subwoofers
  • Smaller 10-inch layout may not deliver the same output as dual 12-inch options
  • Requires proper wiring and matching components for best results

This enclosure is the most practical pick if you want broad compatibility and less bulk. It should suit buyers who value a cleaner fit and a dual-10 setup over the extra output of a larger box.

How We Picked These Jeep Gladiator Subwoofer Enclosures

We looked for options that specifically match Jeep Gladiator fitment, support popular 8-inch, 10-inch, and 12-inch sub sizes, and offer practical enclosure designs for truck use. Key factors included sealed versus ported construction, under-seat or up-fire packaging, material quality, and whether the design helps preserve cabin and storage space. We also favored models with clear year ranges and install-friendly layouts.

Quick Comparison

In general, sealed enclosures tend to sound tighter and take up less risk in tuning, while ported designs usually play louder and deeper when properly matched to the subwoofers and amplifier. Under-seat boxes are usually the most space-conscious choice, while up-fire and larger 12-inch designs are better if maximum bass output is the priority. Loaded enclosures can simplify installation, but empty boxes give you more flexibility in choosing drivers.

Key Buying Factors for Jeep Gladiator Subwoofer Enclosures

Fitment and Year Range

Always confirm compatibility with your Gladiator’s model year and trim. Even small dimensional differences can affect seat clearance, storage access, and install ease. If you use rear-seat area storage often, choose a more compact design.

Sealed Vs. Ported

For balanced, controlled bass, sealed Jeep Gladiator Subwoofer Enclosures are a smart choice. For stronger output and a more aggressive low-end presence, ported boxes are typically the better fit. Make sure your amp and subs are matched to the enclosure type.

Speaker Size and Layout

Dual 8-inch setups usually emphasize space efficiency, while dual 10-inch models offer a strong middle ground between output and packaging. Dual 12-inch enclosures can deliver more bass potential, but they usually demand more room and careful fitment planning.

Build Quality and Materials

Look for MDF construction, solid joinery, and a finish that resists wear from truck use. A well-built enclosure reduces vibration, improves durability, and helps maintain consistent sound quality over time.

Who Should Buy Which Jeep Gladiator Subwoofer Enclosures?

If you want a simple factory-friendly upgrade, a compact under-seat sealed box is a good starting point. If you want more output for hip-hop, EDM, or top-down cruising, a ported 10-inch or 12-inch enclosure is likely the better choice. Drivers who want easier installation and less tuning effort may prefer a loaded enclosure, while enthusiasts building around their own subs should choose an empty box for more control. In short, the best Jeep Gladiator Subwoofer Enclosures depend on how much bass you want, how much space you can spare, and whether you value sound precision or sheer output more.