Creative Labs Sound Blaster Digital I/O Module Grey cable interface/gender adapter

Add digital I/O to your Sound Blaster equipped PC
The Sound Blaster Digital I/O Module gives you optical and coaxial digital inputs and outputs for easy connections to digital speakers or home theater systems.

Dedicated optical and coaxial digital outputs
Easy connections to your digital speakers or home theater receiver for stereo music playback and pass through of multichannel DTS™ and Dolby® Digital movie sound.

Convenient optical and coaxial digital inputs
Digital inputs for connecting to and recording from other digital audio devices.