Delivers up to 145W of powerful sound to your home theatre setup 3-way, 4-driver speaker with a 45Hz - 50kHz frequency response range and 2.5kHz - 17kHz crossover point for precision highs, mids, and lows 5.11" woofer, 0.74" midrange speaker, and 1" tweeter delivers loud dynamic sound, from deep, powerful bass and crystal-clear voice reproduction to precise high-frequency 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)