MB Quart Audio — Complete System with Subwoofer

A vehicle-specific MB Quart speaker and amplifier upgrade for compatible 2019+ W907 Sprinters. Dedicated subwoofer output adds fuller low bass. What’s included MB Quart MS1-216C speaker system: two 6.5-inch door speakers, two 1-inch tweeters and one 3-inch center dash speaker. Factory radio compatibility and center-channel integration are confirmed before ordering. MBQSV-STG6A-1 complete system, including the front speakers above and MBQSV-SUB-1 assembly with a 10-inch subwoofer, application-specific enclosure and 700-watt five-channel Class-D amplifier. 200 mil sound dampening in both front doors, including accessible panel preparation and treatment. Window operation, drainage and service access are preserved. Vehicle-specific speaker adapters, protected wiring, circuit protection, connectors, mounting hardware and cable support. Professional installation, final tuning, an owner walkthrough and follow-up tuning. Make it yoursFloorboard sound dampening, additional speakers or listening zones, camp-mode power and audio integration, and work beyond the agreed standard installation are quoted separately. Fitment and equipment availability are confirmed before ordering. Any proposed substitution or change in scope or price is reviewed with you before work proceeds.