RCA RTS669S Sound Base 2.1-Channel Audio System with Subwoofer for $49.99 shipped.  Here is a screenshot for your reference. The 2.1-channel system features 20 watts of total power with two 5-watt speakers (left/right) and 10-watt subwoofer, 3 audio inputs, including 3.5mm input to connect with mobile devices, and includes a remote control.