Groupon offers the Samsung Radiant 360 R1 Bluetooth Speaker, model no. WAM1500, for $69.99 with free shipping. That's $10 under our mention from two weeks ago and the lowest total price we've seen. (It's also the best deal now by $18.) It features up to 14-watt output, woofer, dome tweeter, Bluetooth 4.0, and tap & swipe speaker controls. Deal ends November 30.
Need more than one? You can buy two for $129.99, three for $199.99, or four for $269.99.