Specs Power : 350 watts AMPLIFIER POWER FTC Rated Power : 150 watts , continuous @ 1% THD, Dynamic FREQUENCY RESPONSE : 31-120 Hz +/- 3 dB MAXIMUM ACOUSTIC OUTPUT : 111dB @ 30Hz 1/8 space, 1m DRIVE COMPONENTS : 8” (20.32cm) high excursion, fiber-composite cone, down-firing woofer AMPLIFIER : Class D PHASE Switchable : 0-180 degrees ENCLOSURE TYPE : Bass-reflex via rear-firing port INPUTS : L/R line-level RCA jacks, L/R high level speaker binding posts FEATURES : Volume, Lowpass, Phase, Auto Power FINISHES : Black vinyl VOLTAGE : 220 VAC, 50/60Hz Dimension (HxWxD) : 39.4 x 31.8 x 43.2 cm WEIGHT : 12.2 kg