Thumb Score: +16

Woot! [woot.com] has Harman Kardon Onyx Studio 9 Portable Stereo Bluetooth Speaker for $149.95.
Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Price:
$150 lower (50% savings) than the reference price of $299.95