Polkaudio Psw125 Black 12” 200 Watt Powered Subwoofer minor blemishes as it was roughed up during move. The unit is working good without any issue . Delivery strong bass , fully functional. Product highlights : bass-reflex (ported) enclosure 150-watt RMS amplifier 12" front-firing driver frequency response 32-225 Hz continuously variable 60-160 Hz crossover phase switch auto on/off line-level/LFE input speaker-level input and output