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A high-output alternator makes sense when the charging system is the bottleneck. SMS checks amplifier demand, storage, wiring, grounds and vehicle charging behavior before deciding what actually needs...

The enclosure is part of the bass system. SMS plans airspace, tuning, construction, amplifier power, electrical support and vehicle fitment together so the subwoofer can actually do its...

A DSP gives us control; measurement shows what the vehicle is doing with it. See how SMS uses GA-Barnie binaural measurement with Mosconi DSP tuning to diagnose staging,...