The Vibe Powerbox 150.4M is a compact four channel Class D amplifier featuring a MOSFET output stage for high efficiency and low heat operation. It supports bridging to create a subwoofer channel and provides a single-amplifier solution for systems requiring four channels and bridged sub output.

Connectivity includes RCA inputs with 0.5V to 6V sensitivity, Deltabox high-level inputs accepting up to 35V with Auto Sense DC offset turn on for factory head units, and OPTISOUND advanced OEM integration to reduce vehicle detection errors. Onboard VIBE Sound Studio active crossovers offer LP, HP, and full range modes with adjustable crossover points and extended full-range bandwidth.