Harman Kardon offers its Harman Kardon Omni 20+ WiFi Bluetooth Speaker in Black or White for $129.95 with free shipping. That's the lowest price we could find by $220. Features include: 53Hz to 20kHz frequency response 2 90mm woofers & 2 19mm tweeters 802.11ac wireless & Bluetooth 3.5mm auxiliary port remote control via the Harman Kardon mobile app