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Auzentech X-Fi Prelude 7.1 Sound Card Review - Page 2 of 4

FEATURES

Key Components

  • Creative X-Fi CA20K audio processor
  • One AKM AK-5394 super high performance 96kHz 24-bit ADC for analog input
  • Four AKM AK-4396 96kHz 24-bit advanced multi-bit DAC for analog output
  • 64Mbytes of memory for audio processing
  • High fidelity audio OPAMPs for analog input and output (TI OPA2134)
  • Front L/R output OPAMP is replaceable by end-user (National LM4562NA)
  • Dual mode S/PDIF receiver and transmitter

The Auzentech X-Fi Prelude

Audio Performance

  • Signal-to-Noise Ratio (20kHz Low-pass filter, A-Weighted)
  • Stereo Output : 120dB (part spec)
  • Front and Rear Channels : 120dB (part spec)
  • Center : 120dB (part spec)
  • Subwoofer and Side Channels : 120dB (part spec)
  • Total Harmonic Distortion + Noise at 1kHz (-3dBFS, A-weighted) : 0.001% - part spec
  • Frequency Response (+/-0.01dB, 24-bit/44.1kHz input ) : 20khz (part spec)
  • Frequency Response (+/-0.01dB, 24-bit/96kHz input ) : 43.5 khz (part spec)
  • 16-bit to 24-bit recording sampling rates: 32, 44.1, 48 and 96kHz

IO Connectors

  • One 3.5mm MIC input connector in rear panel
  • One 3.5mm line input connector in rear panel
  • One 4-pin AUX connector on board
  • Four 3.5mm 8 channel line output connectors in rear panel (FL/FR/C/SW/RL/RR/RSL/RSR)
  • One S/PDIF combo input connector in rear panel for receiving either coaxial or optical digital
  • One S/PDIF combo output connector in rear panel for transmitting either coaxial or optical digital
  • One 10-1pin front panel connector on board for MIC input and headphone support
  • One 40-pin digital extension header on board to support AD-Link and other digital functionality

Driver: Speaker/Headphone Selector

Driver: EAX Effects

ENTERTAINMENT MODE

X-Fi CMSS-3D expands your MP3s and digital movies into surround sound over multichannel speakers, stereo speakers, or even headphones. X-Fi Crystalizer restores the detail and vibrance to your compressed music and movies. All the highs and lows are enhanced so you'll hear everything in crystal clarity.

AUDIO CREATION MODE

Take advantage of advanced features and effects for music and audio creation. The X-Fi Prelude supports up to eight different 24-bit hardware effects, hardware synthesis capabilities, 24-bit SoundFont sampling and 3D MIDI recording. The X-Fi Prelude provides the lowest latency ASIO recording, allowing for the most precise audio recording capabilities in any class with latency as low as one millisecond with no CPU load.

GAMING MODE

Gaming performance is enhanced with 3D soundscape, allowing you to hear bullets whiz past your head while explosions shake your room. It adds EAX Advanced HD sound effects to your game. X-Fi CMSS-3D delivers realistic surround sound with only a pair of headphones. You can boost game performance even further with games that take advantage of X-RAM, freeing up system memory and improving audio quality. The X-Fi Crystalizer automatically upgrades existing games with more dynamic and realistic sound.

Next Page: Operation

Last Updated on September 24, 2007


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