digital power-amplifier with SMD technology, Low Pass Filter, Subsonicfilter, continuously adjustable 0-180° Phaseshift up to 84% effiency possible, remote control RTC included RCA-high-level-input with automatically "TURN ON" Bass EQ at 45 Hz with 0 - 6 dB 1x 400 Watt RMS at 4 Ohm or 1x 650 Watt RMS at 2 Ohm 230x47x171 mm