Buy.com offers the Turtle Beach Ear Force PX21 Wired Headset with Mic for PlayStation 3, model no. TBS-2130-03, for $54.95 with free shipping. That’s the lowest total price we could find by $20. Features include individual controls for stereo game sound and PlayStation Network, variable bass boost, a frequency response of 20Hz to 20kHz, 1.57″ drivers, and more.