Newegg offers the JBL Voyager Portable Bluetooth Speaker for $90 shipped. That's $160 off the original list price, $29 less than Amazon's current listing and the lowest we can find.
This JBL is a combination portable speaker and subwoofer docking station. It's a complete 2.1 system with dual drivers and a powerful subwoofer. You can even remove the subwoofer and use it as a portable speaker with built in Bluetooth streaming and 5 hour battery. Amazon shoppers gave it 4.2/5 stars Read more of this post