Technical specification:
-Signal-to-Noise Channel Ratio (A-Weighted):
 102dB @ 2Vrms
-24-bit/96kHz Analog-to-Digital Converter (ADC)
 for various analog inputs
-24-bit/96kHz Digital-to-Analog Converter (DAC)
 for up to 7.1 channels output
-Supports Sony/Philips Digital Interface (S/PDIF)
 format input signal of up to 24-bit/96kHz quality
-Recording/Playback: up to 24-bit/96kHz
-SoundFont 2.1 Support for Midi playback 

Sound Card comparison:
-External vs Internal (Sound card & digital modes)
 External:SB-Audigy2NX, Internal:AvanceAC97Audio

Sound Blaster Audigy 2 NX
-Superior 24-bit ADVANCED HD™ audio
 with easy USB connection
-Enjoy cinematic surround sound with 
 5.1 and 7.1 speaker systems
-Experience audiophile quality audio
 with 24-bit DVD-Audio playback*
-Improve CD and MP3 music with EAX® 
 Acoustic Enhancements
-Encounter audio realism with EAX 
 ADVANCED HD game effects
-Easily connect speakers, microphones,
 headphones and audio devices
-USB 2.0 hardware ready for high-speed
 connectivity  

Music Listening
-Listen to high resolution 24-bit 
 DVD-Audio for the first time on your
 PC or notebook.
-Totally hiss-free music at 102dB SNR.
-EAX Accoustic Enhancements like Bass
 Boost, EAX Effect and CMSS 3D for an
 amazing yet personalized music
 listening experience.
-Remote Center offers convenient music
 playback with the remote control.

Music Recording
-Comprehensive connectivity options
 including Line-In, Mic-In, SPDIF Out,
 Optical SPDIF In/Out.
-Record up to highest possible
 resolution of 24-bit/96kHz in stereo
 with premium 24-bit/96kHz ADC
 (Analog-to-Digital Converter).