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All rights reserved. 13 NOTE: Make sure all the equipment in the system is turned off when making or breaking connections to the input RCA’s or speaker terminals. Turn on the system and slowly turn up the volume control only after double checking all wire connections. Power for systems with a single amplifier can be supplied by most automotive electrical systems. Systems with multiple amplifiers may require a higher capacity battery, alternator or the use of a storage capacitor. We strongly reco