Sound Blaster X-Fi Go! Pro r2 Creative USB audio interface SB-XFI-GPR2 Analog Input: 16bit / 44.1kHz / monaural Analog output: 24bit / 44.1kHz / stereo Input terminal: microphone input terminal (3.5mm mini) Output terminal: headphone / line output terminal (3.5mm stereo mini / switching at switch on the body) Corresponding API: EAX 1.0 / 2.0 / EAX ADVANCED HD / 4.0 / 5.0, Open AL