{"product_id":"mb-quart-jeep-wrangler-jk-stage-2-speaker-and-amp-kit-2007-2018","title":"MB Quart Jeep Wrangler JK Stage 2 Speaker \u0026 Amp Kit (2007-2018)","description":"\u003cp\u003e\u003cstrong\u003eThe MB Quart MBQJK-STG2AH-1 is an 800 watt Jeep JK stereo upgrade for 2007-2018 Wrangler JK models running an aftermarket radio: two 6.5 inch convertible speakers with 1 inch titanium dome tweeters and two 400 watt Class D amplifiers, installed plug and play.\u003c\/strong\u003e It requires an aftermarket source unit and separate rear speakers or a soundbar.\u003c\/p\u003e\n\u003cp\u003eThe system is prewired, and MB Quart leaves room on the amplifier bracket to add the MBQJL-302 tailgate subwoofer later. Powder coated amplifier mounting plates are included for either the 4 or 2 seater Wrangler, per MB Quart. For the rear, MB Quart lists a second set of JS1-216JK speakers or an MBQJK-28CRGB \/ MBQJK-28C soundbar, sold separately.\u003c\/p\u003e\n\u003cp\u003eIt is a Jeep JK speaker upgrade and a Jeep JK amp in one kit: Jeep JK speakers up front, built in the same style as MB Quart's Jeep Wrangler JK speakers, plus two amplifiers. As Jeep JK front speakers they replace the factory units, and the kit becomes a Jeep JK sound system when you add a soundbar and tailgate sub. It is the most complete Jeep JK audio upgrade MB Quart lists, and among Jeep speakers and Jeep Wrangler speakers for the JK it is the amplified option.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo 6.5 inch convertible speakers with 1 inch titanium dome tweeters and WideSphere tweeter technology\u003c\/li\u003e\n\u003cli\u003e12dB external crossover network, shallow lightweight frames, fiber cones and Y35 iron ferrite magnets\u003c\/li\u003e\n\u003cli\u003eTweeter mounting plates for the front on-dash or in-dash factory locations; midbass drivers drop into the factory 6.5 inch locations\u003c\/li\u003e\n\u003cli\u003eTwo 400 watt full range, two channel Class D amplifiers (compact NA2 with on-board equalization)\u003c\/li\u003e\n\u003cli\u003ePowder coated amplifier mounting plates for either the 4 or 2 seater Wranglers\u003c\/li\u003e\n\u003cli\u003ePrewired with room on the amplifier bracket to add the MBQJL-302 tailgate subwoofer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBuilt To Solve: Underpowered Speakers in a Jeep Wrangler JK With an Aftermarket Radio\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eA new head unit that cannot drive the factory or upgraded speakers loud enough\u003c\/li\u003e\n\u003cli\u003eSound that gets lost with the top and doors off\u003c\/li\u003e\n\u003cli\u003eWanting an amplified JK system that can grow into a subwoofer later\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eBest For: Jeep Wrangler JK Owners Building an Amplified System\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2007-2018 Wrangler JK owners with an aftermarket source unit\u003c\/li\u003e\n\u003cli\u003eOwners planning to add an MB Quart JK soundbar and the MBQJL-302 tailgate subwoofer\u003c\/li\u003e\n\u003cli\u003eNot for factory-radio JKs: MB Quart lists an aftermarket source unit as required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpeakers: two 6.5 inch convertible with 1 inch titanium dome tweeters\u003c\/li\u003e\n\u003cli\u003eSpeaker specs: crossover 12dB midrange \/ 6dB tweeter, frequency response 50Hz to 25kHz, sensitivity 87.7dB, 150W max \/ 75W RMS\u003c\/li\u003e\n\u003cli\u003eAmplifiers: two 400 watt full range, two channel Class D (compact NA2 with on-board equalization)\u003c\/li\u003e\n\u003cli\u003eAmp mounting: powder coated plates for either the 4 or 2 seater Wranglers\u003c\/li\u003e\n\u003cli\u003eTotal system power: 800 watts\u003c\/li\u003e\n\u003cli\u003eSource unit: requires aftermarket source unit\u003c\/li\u003e\n\u003cli\u003eRear speakers: not included (second JS1-216JK set or MBQJK-28CRGB \/ MBQJK-28C soundbar, sold separately)\u003c\/li\u003e\n\u003cli\u003eListed weight: 24.25 lbs; listed dimensions: 19.25 x 14.75 x 14.5 in\u003c\/li\u003e\n\u003cli\u003eInstall: basic hand tools\u003c\/li\u003e\n\u003cli\u003eColor: Black; warranty: 1 year\u003c\/li\u003e\n\u003cli\u003eMOPAR Part Number: 68729815AA\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: MBQJK-STG2AH-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® Wrangler (JK) 2007-2018 All Models and Variants (requires aftermarket source unit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMB Quart lists an aftermarket source unit as required.\u003c\/p\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 MBQJK-STG2AH-1 work with the factory JK radio?\u003c\/h3\u003e\n\u003cp\u003eNo. MB Quart lists it as requiring an aftermarket source unit.\u003c\/p\u003e\n\u003ch3\u003eAre rear speakers included?\u003c\/h3\u003e\n\u003cp\u003eNo. MB Quart says the rear needs an additional set of JS1-216JK speakers or an MBQJK-28CRGB \/ MBQJK-28C soundbar, sold separately.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit every Jeep Wrangler JK?\u003c\/h3\u003e\n\u003cp\u003eMB Quart lists Jeep Wrangler (JK) 2007-2018, all models and variants, and includes amplifier mounting plates for either the 4 or 2 seater Wrangler.\u003c\/p\u003e\n\u003ch3\u003eCan I add a subwoofer later?\u003c\/h3\u003e\n\u003cp\u003eYes. MB Quart says the Stage 2 system is prewired with room on the amplifier bracket for the MBQJL-302 tailgate subwoofer system, sold separately.\u003c\/p\u003e\n\u003ch3\u003eWhat are the speaker specs?\u003c\/h3\u003e\n\u003cp\u003eMB Quart lists 150W max \/ 75W RMS, 87.7dB sensitivity, 50Hz to 25kHz and a 12dB midrange \/ 6dB tweeter crossover.\u003c\/p\u003e\n\u003ch3\u003eHow is this different from the JS1-216JK speakers alone?\u003c\/h3\u003e\n\u003cp\u003eThe JS1-216JK is the speaker pair only. Stage 2 adds two 400 watt amplifiers, mounting plates and system wiring for an aftermarket radio.\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 Wrangler JK, 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 Wrangler JK Stage 2 Build\u003c\/h2\u003e\n\u003cp\u003eConfirm your JK has, or will have, an aftermarket radio. Then add rear sound with an MB Quart MBQJK-28CRGB or MBQJK-28C soundbar or a second JS1-216JK pair, and plan for the MBQJL-302 tailgate subwoofer. 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 MBQJK-STG2AH-1 work with the factory JK radio?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. MB Quart lists it as requiring an aftermarket source unit.\"}}, {\"@type\": \"Question\", \"name\": \"Are rear speakers included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. MB Quart says the rear needs an additional set of JS1-216JK speakers or an MBQJK-28CRGB \/ MBQJK-28C soundbar, sold separately.\"}}, {\"@type\": \"Question\", \"name\": \"Does it fit every Jeep Wrangler JK?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"MB Quart lists Jeep Wrangler (JK) 2007-2018, all models and variants, and includes amplifier mounting plates for either the 4 or 2 seater Wrangler.\"}}, {\"@type\": \"Question\", \"name\": \"Can I add a subwoofer later?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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