Ruthless Audio 4500.1

4500.1 you better upgrade electrical for this guy here if you want to maintain the .5 warranty! Competition grade tank that ready for abuse. .5 stable, 1 ohm when strapped. Includes .5 one year warranty  4500 at 1 ohm 14.4 2350 at 2 ohm 14.4v 1200 at 4 ohm 14.4v Tiffany Inputs 1/0 Inputs Input Sensitivity 6v-.2v Frequency Response 10hz-250 phase 0-180 THD @ 4ohm > .01 400 amp of fusing (200 per positive run) Amp dimensions are  Length: 25 - 1/8”Width: 9 - 1/16”Height: 2.75” Extended Warranty No – Standard Warranty (1 Year) Includes the standard 1-year manufacturer defect warranty. Yes – Extended Warranty (2 Years Total) Adds 1 additional year of manufacturer defect warranty coverage (2 years total).