Amazon.com: Creative Sound Blaster X4 Hi-Res 24bit/192kHz External USB DAC and Amp Sound Card, Super X-Fi, Multi-Channel, 7.1 Discrete Surround, Optical-in, Optical-out, Line-in, Mic-in, Headset-in for PC and Mac : Electronics
Sound Blaster X3 - scheda audio ed amplificatore USB esterno con DAC discreto per 7.1 canali ad alta risoluzione con Super X-Fi per PC e Mac - Creative Labs (Italia)