ASI5740, ASI5741 and ASI5744 - Low Profile PCI Express Sound Cards

The ASI5740, ASI5741 and ASI5744 are professional Low Profile PCI-Express sound cards designed for use in the installed sound, entertainment and broadcast markets.

Providing 12 play streams that are mixed to 4 balanced stereo outputs and 8 record streams fed from four balanced stereo inputs, the ASI574x series features AudioScience’s unique “anything to anywhere” mixing and routing.

The ASI5744 provides both balanced analog and AES/EBU inputs and outputs. The ASI5740 provides analog inputs and outputs only while the ASI5741 provides AES/EBU inputs and outputs only.The maximum analog input and output level is +24dBu.

Uncompressed PCM, in a choice of precision is available for both recording and playback.

For emerging surround sound applications, SSX2 mode allows multichannel streams of up to 8 channels to be played, recorded and mixed.


  • 4 or 12 stereo/mono streams of playback into 4 stereo outputs
  • 4 or 8 stereo/mono streams of record from 4 stereo inputs
  • Formats include 8,16,24 and 32 bit PCM with sample rates to 96kHz
  • SSX2 mode for multichannel record, playback and mixing
  • Balanced stereo analog I/O with levels to +24dBu (ASI5740 and ASI5744 only)
  • 24bit ADC and DAC with 110dB DNR and 0.0015% THD+N
  • AES/EBU I/O with sample rate converters on all inputs (ASI5741 and ASI5744 only)
  • Dedicated AES/EBU and Word clock Sync input (ASI5741 and ASI5744 only)
  • Low profile short length PCI card format (6.6 inches/168mm)
  • Up to 8 cards in one system
  • Windows and Linux software drivers available
ASI574x Datasheet
Cable options

Windows Combo Driver
Linux HPI and ALSA Drivers