If you are still in the firewire domain this is a great unit!
Make me an offer....
Impact Twin's two mic preamps utilize Impact III™ Technology featuring three stages of top level processing. You get a high-quality and very flexible mic preamp, superior 24/192 HD Conversion, plus a set of recording Channel Tools that lets you shape and optimize your sound making it the perfect recording. With each of these stages carefully combined behind Impact Twin's rugged and cool looking exterior, you have a 'take anywhere' device that offers the ultimate in recording quality.
Home Site
http://www.tcelectronic.com/impact-twin/
Reviews: 4.5 out of 5 of 17 reviews
https://www.sweetwater.com/store/detail/ImpactTwin