Specification

    * Mfr Part Number: 70SB038000000
    * Audigy 4 Pro Processor
    * High Definition Audio Quality for Playback and Recording
    * FireWire® (IEEE® 1394) Connectivity
    * Digital CD Audio in
    * Aux Audio in
    * AD_Link 1 and AD_Link 2 connectors to connect with external I/O hub.
    * Power connector
    * Sound Blaster Audigy 4 Pro External I/O Hub Front / Rear Panel Connectors
    * Signal-to-Noise Ratio (AES17, A-Weighted)
    * Output Voltage: @ 2Vrms
    * Stereo Output: 113dB
    * Front and Rear Channels:113dB
    * Center, Subwoofer and Side Channels: 113dB
    * Total Harmonic Distortion + Noise at 1kHz (AES17) = 0.003% (2V Rated Output) Frequency Response +/-3dB: 10Hz to 46kHz