Best Buy offers the Turtle Beach CoD: Black Ops II Ear Force Kilo Limited Edition Headset, model no. TBS-4135-01, for $39.99 with free shipping. That's $15 under our mention from Cyber Monday week and the lowest total price we could find by $37. Sales tax is added where applicable. It features 50mm full-bandwidth drivers, in-line amplifier, chat volume controls, adjustable bass, USB connectivity, and more.