AMPLIFIER TECHNOLOGIES, INC. INTRODUCES NEW CLASS “D” AMPLIFIERS USING HYPEX N-CORE OUTPUT MODULES AND IN-HOUSE LINEAR POWER SUPPLIES AT52XNC: 200W RMS PER CHANNEL AT 8 OHMS WITH 2 TO 8 CHANNELS AT54XNC: 500W RMS PER CHANNEL AT 8 OHMS WITH 2 TO 4 CHANNELS