RAC Input

DD Audio Intros D4.100

DD Audio announced it is replacing its D4.90 amplifier this month with a new D4.100 with new features including panel mounted RCA inputs and a low voltage indicator. “What really separates the D4.100 from its predecessor is power. The continuous wattage went from 9 0x 4/ 240 x 2 watts up to 100 x 4 / 300 x 2 watts…