Worldwide Stereo offers the Harman Kardon Nova 2.0 Wireless Bluetooth Stereo Speaker System for $199. However, when you enter the coupon code OFRNOVA the price drops to only $149.95 shipped. That’s $49 off the original listing/Amazon price and the lowest we can find. It features NFC pairing, 3.5mm auxiliary input, 2.5-inch drivers, 1.25-inch tweeters, and a frequency response range of 20Hz to 20kHz. Amazon shoppers gave it 4.4/5 stars.