ASI5041, ASI5042, ASI5044 PCI Sound Cards - Discontinued*

*Replaced with ASI554x series (PCI) or ASI564x series (PCI Express)

The ASI504x series are professional PCI audio adapters designed for use in radio broadcast and entertainment.
There are three models:

ASI5041 - 4 stereo inputs and 4 stereo outputs, AES/EBU digital only.
ASI5042 - 4 stereo inputs and 4 stereo outputs, balanced analog only.
ASI5044 - 4 stereo inputs and 4 stereo outputs, both balanced analog and AES/EBU digital.

The ASI5041 and ASI5044 provides four AES/EBU inputs and outputs.

The ASI5042 and ASI5044 provide balanced analog inputs and outputs. The maximum analog input and output level is +24dBu.

A choice of 8, 16, 24, or 32 bit PCM is available for both recording and playback. All mixing and metering is handled by the on-board fixed point DSP, allowing the host computer to focus on other tasks.


  • Four balanced stereo analog input and outputs (ASI5044 andASI5042 only)
  • Four AES/EBU digital inputs and outputs (ASI5044 and ASI5041 only)
  • Up to twelve stereo streams of PCM playback (using WAVE or HPI driver)
  • Up to eight stereo streams of PCM record (using WAVE or HPI driver)
  • SSX multi-channel modeallows the record and playback of up to 8 channel PCM streams
  • 24bit analog-to-digital and digital-to-analog converters - 100dB DNR and 0.002% THD+N
  • 32 to 192kHz sample rates
  • Up to 4 cards in one system
  • Windows 7, XP Server 2008/2003, and Linux software drivers available


ASI504x Datasheet
ASI5044 ASI Mixer Image

Windows WAVE, WDM, and Combo Drivers
Linux HPI and ALSA Drivers