• HRTF 3D Positional Audio
  
• Microsoft's DirectSound 3D and A3D Interface Supported
  
• OPTICAL Digital Playback/Recording MP3 --> MD(Upgradeable)*
  
• 4 Channels 4 Speakers Support
  
• AC3 - 5.1 Ready
  
• 24 bit SPDIF IN/OUT *
  
• General MIDI 128 Sounds
  
• Audio Rack with MP3 Player Included
  
• Gold Plated Connectors for Minimum Signal Distortion

* Requires Nightingale Optical Module Kit

• How to enable Karaoke function:
  1. Start Audio Rack (MP3 player).
  2. Select open file and then insert the VCD files (*.dat).
  3. Play the VCD
  4. To select/change the karaoke feature, right click the mouse pointer and it will pop up the menu.