High power stereo amplifier for 4 speakers. It can easily fulfill audio needs of even large rooms. This amplifier is ideal to drive high power bookshelf or floor-standing speakers, passive subwoofers, car bass tubes etc. A front USB port allows easy connectivity for Pen drives, memory cards and even PCs. With the USB-PC connectivity, this amplifier can also be used as an external high quality sound card for a PC. One can also control a PC using the amplifier's remote. Three RCA connections can be used to connect TV, DVD players etc. Can drive 4 speakers (2 left + 2 right) Bluetooth connectivity. Can be used to listen to MP3s via USB input. Note: Issues with FM reception and bluetooth connectivity/quality are not covered under warranty and will not be considered as a reason for return. Initially this amplifier was not with bluetooth but we added this extra feature without charging for it.