Sb X-fi Xtreme Audio E/f Retail Box Contents - Sound Blaster X-Fi Xtreme Audio sound card / Installation CD / Quick Start leaflet / Creative MediaSource Player Technical Specs - Playback - 24-Bit/96kHz 7.1 / Signal-to-Noise Ratio - &gt;108dB (20kHz Low-pass filter, A-Weighted) / Total Harmonic Distortion + Noise at 1kHz - 0.006% (20kHz Low-pass filter) / Recording - 24-bit/96kHz X-Fi Technology - X-Fi Crystalizer, X-Fi CMSS-3D Virtual, X-Fi CMSS-3D Headphone Connectivity - Speaker and Headphone connections for stereo to 7.1 (Line Out via three 3.5mm mini jacks) Line In / Microphone In / Digital Out (supports stereo SPDIF out & pass through of multichannel DVD sound / Digital I/O (shared 3.5mm FlexiJack) - requires Sound Blaster Digital I/O Module (sold separately)