Selling a Sound stream USA 204 four channel amplifier in its original box with original paper work as shown. Tested and is in excellent working order, this amplifier Has the highly sought after US Flag board. This is a high-quality car amplifier designed for audiophiles looking to enhance their car audio system. With a power output of 200W+ RMS across four channels, this United States-made amplifier delivers crystal-clear sound reproduction without distortion. Perfect for adding extra depth and clarity to your car audio setup, the Sound stream 204 is a reliable and powerful choice for audio enthusiasts seeking top-notch performance.