This NEW AI-Powered Alpine Subwoofer Is Actually Scary 😳 The Alpine PWV-SB12 is a compact, AI-powered subwoofer featuring OPTIM™ Sync DSP that analyzes music in real time, prevents clipping, and automatically protects the subwoofer from damage. Unlike traditional powered subs, the PWV-SB12 actively self-corrects gain and EQ to maintain clean, musical bass without distortion. Part of Alpine’s Bass Rev series, it’s designed for tight spaces while delivering usable output into the low 30Hz range.