Key features performance standard seriestereo or mono setup500w maximum output powerbuilt-in low-pass filtersignal sensing turn-onspeaker level inputpower mos-fet switching power supplydie cast aluminium heat sink amplifier features load capability2ω stablema ximum power output500wrated power output (4ω)70w x 2 (4ω)rated power output60w x 2 (4ω)bridged power output (4ω)170w x 1cea-2006 compliantyeslow-pass filteryesswitched mode power supplyyes, mos-fetsignal sensing turn-onyesline in2 rca'sspeaker level inputyessingle side terminalsyesdie-cast aluminium heat sinkyes amplifier-specifications rated power output (4ω, 14,4v)70w x 2 (20hz ~ 20000hz, 1%thd)rated power output (2ω, 14,4v)85w x 2 (1000hz, 1%thd)rated power output (cea-2006)70watts rms x 2 at 4 ohms and 1% thdlow-pass filter80hz (-18db/oct)rca input sensitivity0.2 ~ 5vspeaker level input sensitivity4 ~ 12vinput impedance10kωsignal to noise ratio100dbsignal to noise ratio (cea-2006)80dba (reference: 1 watt into 4 oh