Razer Tiamat 2.2 - Over Ear Stereo PC Gaming Headset (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Two Discrete Low Frequency Drivers For Super Deep Bass - The Razer Tiamat 2.2 houses not one, but two sub-woofer drivers for stronger bass support and overall audio performance so you are closer to the action and further from thin, mediocre bass lines Optimized Positional Audio - The audio drivers in the Razer Tiamat 2.2 have been designed to simulate a three-dimensional audio effect for deeper immersion with your games Maximum Comfort, Maximum Durability - The Razer Tiamat 2.2's sturdy construction and snug-fit padded leatherette ear cups ensure extended headset life and ultimate comfort so you can keep terrorizing noobs during those hardcore marathon gaming sessions Drivers: 4 x 40mm Neodymium Magnets with Titanium Coated Diaphragm