Make your favorite ASTRO A40 or A30 headset (excluding Quick-Disconnect / QD model) compatible with your Xbox with the MixAmp M80. Whether combined with an A40 or an A30, the MixAmp M80 gives you the best on-controller audio experience available. Three preset EQ modes, active Mute, and Game:Voice Balance controls give you ultimate control over Amplified Stereo audio. The intuitive design allows you to easily adjust your audio preferences without taking your eyes off the screen