Product Highlights: includes 4 satellite speakers, 1 center channel speaker, and 1 subwoofer system frequency response 22-30,000 Hz gloss black finish warranty: 5 years speakers, 3 years subwoofer amplifier Our 60-day money-back guarantee ProMonitor 600 satellite speakers: sensitivity 88 dB 8-ohm impedance handles up to 150 watts one 1" pure aluminum dome tweeter one 3-1/4" BDSS bass/midrange driver pressure-coupled to one 3-1/4" bass radiator one pair of 5-way binding posts keyhole slots and tripod base included 4-1/16"W x 7-1/16"H x 4-1/8"D ProCenter 600 center channel speaker: video-shielded for safe placement near any TV sensitivity 89 dB 8-ohm impedance handles up to 175 watts one 1" pure aluminum dome tweeter two 3-1/4" BDSS bass/midrange drivers pressure-coupled to two 3-1/4" bass radiators one pair of 5-way binding posts leveler foot included 11-9/16" W x 4-1/16"H x 4-3/16"D ProSub 600 subwoofer: bass-reflex (passive radiator) enclosure 8" woofer pressure-coupled to one 8" low bass radiator built-in 250-watt amplifier continuously variable low-pass 40-150 Hz crossover auto on/off speaker-level inputs and outputs 100 Hz fixed high-pass crossover for speaker-level outputs LFE input for use with home theater receiver's subwoofer output 10-5/16"W x 12-15/16"H x 15-1/16"D What's in the Box: Definitive Technology ProCinema 600 Owner's manual 4 Matching black satellite speakers with removable cloth grilles Black center-channel speaker with removable cloth grille Black powered subwoofer with removable cloth grille 7' AC power cord 4 Large plastic inserts 2 Small plastic inserts Owner's Manual Online Product Registration card