Momentum M400 MxV Monoblock AmplifierOne iconic amplifier continues to lead, elevating Dan DAgostino Master Audio Systems original amplifier design, while featuring techniques and topologies initially developed and implemented in the Relentless Series. This fullest expression of the Momentum circuitry is reflected in the models name, MxV. Those with a physics background will recognize that its name MxV, or Mass times Velocity, is the equation for Momentum. Every major section of the