Definitive Technology C/L/R 2300 120v Speaker (Single, Black) (Discontinued by Manufacturer) Single center-channel speaker Equipped with two 4.5-inch cast-basket bass/midrange drivers and one 1-inch pure aluminum dome tweeter Frequency response: 22Hz - 30kHz Equipped with one 8-inch cast basket subwoofer with one 150-watt RMS amplifier Features non-resonant monocoque cabinets with Linkwitz-Riley crossover networks