The Harmony Audio HA-A800.1 Car Class D Amp Mono 1600W Sub Amplifier is a high-quality car amplifier designed by Harmony Master. With a power output of 1600W and RMS power of 800W, this mono amplifier delivers clear and powerful sound for your vehicle's audio system. Made in China, this amplifier is a reliable choice for audiophiles looking to enhance their car audio experience with a single channel amp.