Customer Reviews: MB Quart RS1-216 Reference Series 6-1/2" component speaker system at Crutchfield
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Quart 490MCS Speaker (Feb. 1992)
MB Quart MBQJ-STG6A-1 Jeep audio system with 6 speakers, two amplifiers, and factory radio interface — fits 2018-up Wrangler (JL) and 2020-up Gladiator (JT) at Crutchfield