{"product_id":"mb-quart-jeep-gladiator-jt-dual-8in-underseat-subwoofer-box-2020-plus","title":"MB Quart Jeep Gladiator JT Dual 8in Underseat Subwoofer Box (2020+)","description":"\u003cp\u003e\u003cstrong\u003eThe MB Quart MBQJT-SUB-1 is a Jeep Gladiator subwoofer box for 2020-current Gladiator JT: two 8 inch long-throw subwoofers in a rear underseat HDPE subwoofer enclosure, installed with OEM hardware.\u003c\/strong\u003e MB Quart says it keeps full access to the jack and needs no floormat modification.\u003c\/p\u003e\n\u003cp\u003eThis is the unpowered version and requires an amplifier. MB Quart notes the wiring harness is included with its MBQJ-STG6A-1 and MBQJ-STG6AH-1 systems. If you want the amplifier included, choose the MBQJT-SUBA-1.\u003c\/p\u003e\n\u003cp\u003eAs a Jeep Gladiator under seat subwoofer, this Jeep subwoofer box keeps the bed and cab free. It is the bass piece of a Jeep Gladiator sound system and a Jeep Gladiator audio upgrade, using dual 8 inch subwoofers from MB Quart. MB Quart Jeep Gladiator packages build on this same underseat enclosure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo 8 inch application-specific long-throw subwoofers rated at 200W RMS\u003c\/li\u003e\n\u003cli\u003eRear underseat subwoofer enclosure of high quality HDPE with a molded-in center support structure\u003c\/li\u003e\n\u003cli\u003e1.0 cubic feet of internal airspace\u003c\/li\u003e\n\u003cli\u003eUses OEM hardware, keeps full access to the jack and needs no floormat modification\u003c\/li\u003e\n\u003cli\u003eRequires an amplifier (not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBuilt To Solve: No Low-End Bass in the Jeep Gladiator JT\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFactory audio that lacks low bass, especially with the top off\u003c\/li\u003e\n\u003cli\u003eNo obvious place for a sub box without losing cab or bed space\u003c\/li\u003e\n\u003cli\u003eWanting a subwoofer that leaves the jack accessible and the floormats unmodified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBest For: Gladiator JT Owners Adding Underseat Bass\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOwners who already have an amplifier channel for a subwoofer\u003c\/li\u003e\n\u003cli\u003eOwners who want the enclosure and subs without MB Quart's amp\u003c\/li\u003e\n\u003cli\u003eGladiator JT only; for the Wrangler JL, MB Quart sells the MBQJL-302 tailgate sub and the MBQJL-SUBR-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSubwoofers: two 8 inch long-throw, 200W RMS each, frequency response 50Hz to 250Hz, sensitivity 89dB (MB Quart's kit list calls them 8 ohm subwoofers; its feature list gives a 4 ohm impedance)\u003c\/li\u003e\n\u003cli\u003eEnclosure: rear underseat, HDPE with molded-in center support, 1.0 cubic feet internal airspace\u003c\/li\u003e\n\u003cli\u003eAmplifier: required, not included\u003c\/li\u003e\n\u003cli\u003eHarness: MB Quart lists the wiring harness as included with MBQJ-STG6A-1 and MBQJ-STG6AH-1\u003c\/li\u003e\n\u003cli\u003eListed weight: 22.0 lbs; listed dimensions: 48.0 x 10.0 x 9.0 in\u003c\/li\u003e\n\u003cli\u003eInstall: basic hand tools, uses OEM hardware\u003c\/li\u003e\n\u003cli\u003eColor: Black; warranty: 1 year\u003c\/li\u003e\n\u003cli\u003eMOPAR Part Number: 68729814AA\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: MBQJT-SUB-1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eMB Quart lists this product for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eJeep® Gladiator (JT) 2020-Current\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is a Jeep (on-road vehicle) audio product, not a UTV part. Confirm your model, model year and factory audio equipment against MB Quart's listing before ordering; fitment is not guaranteed on applications not listed.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eDoes the MBQJT-SUB-1 include an amplifier?\u003c\/h3\u003e\n\u003cp\u003eNo. MB Quart lists it as requiring an amplifier. The MBQJT-SUBA-1 is the same dual 8 inch underseat system with a 400 watt amplifier.\u003c\/p\u003e\n\u003ch3\u003eWhere does the subwoofer mount in the Gladiator?\u003c\/h3\u003e\n\u003cp\u003eUnder the rear seat. MB Quart says it uses OEM hardware, keeps full access to the jack and needs no floormat modification.\u003c\/p\u003e\n\u003ch3\u003eWhich Gladiator years fit?\u003c\/h3\u003e\n\u003cp\u003eMB Quart lists Jeep Gladiator (JT) 2020-Current, covering both the 2020-2023 and 2024-current model years.\u003c\/p\u003e\n\u003ch3\u003eIs wiring included?\u003c\/h3\u003e\n\u003cp\u003eMB Quart lists the wiring harness as included with its MBQJ-STG6A-1 and MBQJ-STG6AH-1 systems. Plan your wiring and amplifier before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat are the subwoofer specs?\u003c\/h3\u003e\n\u003cp\u003eTwo 8 inch long-throw subwoofers rated at 200W RMS, 50Hz to 250Hz, 89dB sensitivity, in a 1.0 cubic foot HDPE enclosure, per MB Quart.\u003c\/p\u003e\n\u003ch3\u003eWill this fit a Jeep Wrangler JL?\u003c\/h3\u003e\n\u003cp\u003eNo. It is designed for the Gladiator JT. For the Wrangler JL, MB Quart offers the MBQJL-302 tailgate subwoofer and the MBQJL-SUBR-1 OEM subwoofer upgrade.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy MB Quart\u003c\/h2\u003e\n\u003cp\u003eMB Quart builds vehicle-tuned audio packages for the Jeep Gladiator JT, engineered around the factory mounting locations and wiring so the upgrade installs with basic hand tools instead of custom fabrication. MB Quart sells its Jeep kits in stages, so you can start with one piece and add matching speakers, subwoofers or a soundbar later.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eComplete Your Jeep Gladiator JT Subwoofer Setup\u003c\/h2\u003e\n\u003cp\u003ePlan the power and wiring first. You will need an amplifier and wiring; the MBQJT-SUBA-1 includes the amplifier. MB Quart's Stage 8 and Stage 10 Gladiator packages bundle this underseat sub with front and rear speakers. Questions? Contact Dunes 2 Dezert SXS before you buy.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the MBQJT-SUB-1 include an amplifier?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. MB Quart lists it as requiring an amplifier. The MBQJT-SUBA-1 is the same dual 8 inch underseat system with a 400 watt amplifier.\"}}, {\"@type\": \"Question\", \"name\": \"Where does the subwoofer mount in the Gladiator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Under the rear seat. 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