Please help find the manual for this Legacy Car Audio Car Amplifier. Legacy Car Audio Car Amplifier la590. 0 Solutions. need users manual for la 830 series 4.Legacy Company LA590 Amplifiers user reviews : 3.7 out of 5 - 3 reviews You have to look at the manual to see the real wattage specs, which are 50 watts MANUAL INCLUDED. BOX SHOWS DAMAGE AND WEAR FROM STORAGE. PLEASE SEE THE PICTURES FOR A MORE ACCURATE DESCRIPTION OF THE Jan 7, 2014 - Apr 11, 2006 - Legacy LA590 American Legacy II Series • 800W High Performance 2 Channel Amplifier • 400W x 2 power output • polished chrome finish with plexiglas panel Legend LA590 - American Legacy Series 2-800 Watt High Performance 2 Channel Amplifier (Discontinued by Manufacturer): Amazon.in: Car & Motorbike. View online or download Legacy LA590 User Manual. We have 1 Legacy LA590 manual available for free PDF download: User High Speed Car Amplifier. American Legacy Series 2 # LA590 800 Watt 2 Channel Bridgeable High Performance Car Audio Amplifier. Specifications: Brand new w/ Warranty.