Blackdog Audio

Welcome to


Now it's easy to get good, clean, balanced line-level audio from a computer. It's the go-to solution for graphics computers, or playback systems

Our USB-DI Box is a USB-Audio-class compliant pro audio interface. It requires no device driver, and works on any major operating system (Mac/Windows/Linux)


USB Audio Specification - No device drivers needed.
Transformer balanced stereo / mono outputs.
Bus powered - No external power supply needed.
Ground lift and Stereo/Mono switches.
All steel construction.


Input: USB "B" connector (1.5' USB cable included)
Output: balanced XLR outputs :: Pin 2 + :: Pin 3 - :: Pin 1 GND (switchable)
Freq Response: 20 - 20Khz +/-.05db
THD @1Khz: .001%
Dimensions: 3.375"W x 3.375"D X 1.5"H (85mm x 85mm x 39mm)

For more information, please contact:

$159.00 each.

UPDATE: Stock now available.

For special orders, or for more information, please email