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• Full-Range Class D Efficiency – Delivers clean output with low current draw
Maestro Module Ready: Works seamlessly with Maestro RR or RR2 modules to retain full system functionality
• Polypropylene woofer provides rich midbass and accurate midrange clarity
• Kapton former resists heat for extended high-volume playback
• Thermal-Control Housing prevents output drop during long run times
Maestro - APX-S8-GM4 - APX 8" radio installation kit for select GM vehicles Speaker Baffles • Full-Range Class D EfficiencyModel: APXS8GM4 Kit Type: Dash & wiring installation kit for 8" APX style floating head units Compatible Vehicles: Select 20142020 GM vehicles with factory 8" screen Required Module: Maestro RR2 interface module (sold separately) Material: High grade ABS plastic Finish: Factory dash texture and color matched Retained Factory Features (if present): OnStar & Bluetooth hands free Steering wheel audio controls (including 2 function buttons + expanded