Amazon offers the Anker 20W Premium Stereo Portable Bluetooth Speaker with Dual 10W Drivers, Two Passive Subwoofers, Wireless Speaker for iPhone, Samsung, Nexus, and More - Black for $33.99 with free shipping.
Huge Stereo Sound: Enjoy crisp, clear audio with impressive volume powered by dual ten-watt drivers.
Booming Bass: Features MaxxBass technology and two passive subwoofers for enhanced bass performance. Hear the soaring highs and deep lows of all your favorite tracks.
Bluetooth 4.0: Instantly connect your phone or tablet from up to 33 feet away. Speaker automatically reconnects to the last device used. Compact size lets you easily move it around from room to room.
6 Hours of Music: Boasting a 5200mAh lithium-ion battery, this Bluetooth speaker can play up to 125 songs at mid-level volume on a single charge. (Playtime varies by volume level and audio content). [ Shop Now ]