ASTRO Gaming Xbox Live Controller/Chat Cable 1.5M The Xbox Live Controller Cable, otherwise known as the Xbox Live Chat Cable, is used to connect the Xbox 360 controller to the MixAmp Pro via the 2.5mm jack. When used with the A50, it connects to the headset itself, not the transmitter. This cable comes included in all A50, A40, A30 Audio Systems, as well as the MixAmp Pro.