Kicker 40KX8001 Mono 800 Watt Amplifier Go to amazon.com Related posts Top 10 best amp 800: Which is the best one in 2022? FeatureManufacturer - KICKERMPN - 40KX8001UPC - 713034065807Warrantiedthrough - MANUFACTURERWarranty - 1 YEAR DescriptionWorkhorse power and performance from proven technologies; signature compact footprint for space-challenged installs; class-D models with boost converter in mono amps provide 80-percent efficiency