Turtle Beach are no strangers to the hardcore gaming scene. Hell! They are probably by far one of the most popular brands. With their quality headsets flooding the market for all the good reasons, we manage to get our hands on the Turtle Beach XP 400. This bad boy has a retail cost of over £159.99 and withholds an abundance of features but is this an investment worth taking? Or is it simply an expensive accessory to be placed on the shelves?