Creative Labs Sound Blaster Audigy 2 ZS Gamer PCI Soundcard (70SB035000013) Superior Fidelity 24-bit ADVANCED HD Audio THX Certified Sound Card for Cinematic Audio Advanced Resolution 24-bit DVD-Audio Playback Ultra-realistic EAX 4.0 ADVANCED HD Effects Complete Cinematic Surround Sound with DTS-ES and Dolby Digital EX Movies