REFERENCE - Power Plants

Space-Saving focused mass aluminum heat sink
Micro Class A/B amplifier topology with PWM power supply and high speed MOSFET output devices for excellent sound reproduction with 2 and 4 channel full range amplifiers
Micro Class D amplifier topology on the RAB1450 and REF1450
Highly flexible adjustable crossover network
Variable bass equalizer circuit of up to 12 dB with model RAB 1450 and REF1450
24 dB subsonic filter
Multi-channel amplifier with full range preamp outputs for easy daisy chaining
Remote bass level control MBQR-1 to control bass level included in RAB1450 and REF1450