This is a Pyle 300W Digital Stereo Receiver System with USB/SD Memory Readers, model PT390AU. It supports FM mode, has Karaoke feature, and comes in black color. The receiver has DTS surround sound formats, 4 channels, and 4 inputs. It includes stereo L/R RCA audio outputs and inputs, as well as a USB input. The amplifier class is A, and the brand is Pyle.