Best Buy offers the Turtle Beach Ear Force Stealth 500X Wireless Headset for Xbox One, model no. TBS-2370-01, bundled with a $30 Best Buy Gift Card for $229.99 with free shipping. (The gift card will appear automatically in cart.) Assuming you'll use the gift card, that's the lowest price we could find by $14. Features include a removable boom microphone, wireless transmitter, mobile cable, digital optical cable, and DTS 7.1 surround sound.
Update: As a reader found, Amazon offers it for $199.99 with free shipping.