Delivers up to 145W of powerful sound to your home theatre setup 55Hz - 25kHz frequency response range for dynamic, rich audio 2-way speaker with a 3-speaker bass-reflex system and 1" tweeter and 4" woofer for higher highs and deeper bass tones 6 Ohm impedance rating safely handles more power through your speaker Required accessories (sold separately): Speaker wire (make sure to measure the room so you'll know how much wire to get)