Definitive Technology ProSub 600 Subwoofer Active Crossover and Power Amplifier battery Swiss quartz movement

Swiss quartz movement

And because the Music System Three is portable

Made in China

Motorola CRD4000 4-Slot Cradle

more detailed playback

Definitive Technology ProSub 600 Subwoofer Active Crossover and Power Amplifier battery Swiss quartz movementbass 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