VX1221e is the reference multichannel PCM sound card designed for operating in continuous 24/7/365 use-environments as part of professional audio systems. It can be used under Windows or Linux operating systems, with software applications based on standard driver interfaces such as WDM Kernel streaming, DirectSound, Wasapi, and ASIO for Windows, and Alsa for Linux. It offers six stereo AES/EBU outputs and one stereo AES/EBU input, and can synchronise on an external clock (AES11, Word clock, black burst video).


Multichannel linear PCM sound card
PCI Express bus interface
Six stereo AES/EBU outputs
One stereo AES/EBU input with hardware sample rate converter
Synchronisation inputs: AES11, word clock, black burst video
Adjustable input and output digital gains
On-board 3-band parametric EQ and Maximizer effects
Support for Linux (Alsa driver) and Windows 32-bit and 64-bit (WDM kernel streaming, DirectSound, Wasapi, ASIO)
Audio connectivity: breakout cable or 2U breakout box (BOB12 or BOB16AES), XLR connectors