About this item The Fosi Audio BL20C is a Bluetooth 5.0 enabled 2.1 channel stereo amplifier and U-disk player with a compact Class D power amp for home theater speaker systems. It allows for convenient and portable use with U-Disk input supporting popular audio formats such as MP3, WMA, APE, FLAC, and WAV. Flexible connection options include U-disk, Bluetooth, and RCA input, all capable of driving passive speakers and powered subwoofers to upgrade your audio system. The BL20C stereo…