MB Quart Discus DTH169 6 x 9" 3-Way Speaker System 6 x 9" 3-Way Speaker System with 60-140 Watt Power Rating and 35Hz-30kHz Frequency (Sold in Pairs) Includes 30mm WideSphere tweeter assembly that fully addresses the inherent speaker problem of directional sound dispersion in a vehicle - making every seat, the best seat Carbon fiber reinforced woofer frames Polypropylene woofer membrane cone and ultra high micro poly  tweeter Edge wound 1 voice coil and gold-plated terminal connections