The via Fader is brand new way to connect your 500 series racks and audio gear. Each fader channel has the necessary input and output electronics to allow the via Fader to interface to any balanced, unbalanced, transformer, or transformer-less line level signal. But most importantly... no additional mixer or audio interface is required.
Not exclusively for 500 rack systems, the via Fader can be used for external DAW summing or as a line mixer for synths and samplers. In many cases the via Fader can eliminate the need for a mixing console in your studio.
The Via Fader is available in four models:
Speck Electronics has been producing quality professional audio products for over 40 years. Founded in 1973, Speck Electronics has consistently provided innovations in audio products for all segments of professional recording and touring. Other products include the Lilo and X.Sum line mixers, the ASC equalizers, and MicPre 5.0 preamp.
More information can be found here: Speck Electronics -via Fader Outboard Fader System