This U.S. Amps USA-50HC car amplifier is a rare find and a must-have for any car audio enthusiast. With a 1/2 Ohm stable design, it can handle even the most demanding sound systems with ease. This amplifier is perfect for those who want to take their car audio to the next level. The USA-50HC is made by US Amps, a brand known for their high-quality car audio products. The amplifier has 2 channels and is designed for use in vehicles. It was manufactured in the United States and is a great addition to any car audio system.