SPECIAL ORDER ITEMS ALLOW EXTRA TIME Built-in 14" SuperCube® subwoofer driven by an 1800-Watt class D amplifier Driver Complement: Four 6-1/2" high definition cast-magnesium basket polymer upper bass/midrange drivers Two 1" pure aluminum dome tweeters with silk surrounds One 14" long-throw subwoofer coupled to two 14" infrasonic radiators Freq. Response: 11 Hz — 30 kHz Nominal Impedance: Compatible with 8 ohms Rec. Assoc. Amp.: 20 — 1000 Watts/channel Efficiency: 92 dB Dimensions: 8-15/16" W x 16-5/8" D x 52-1/2" H Finish: piano-gloss black or golden cherry