Product picture - Behringer ULTRA-DI DI4000 - 4-Channel Rackmountable Active Direct Box with XLR and 1 4" Inputs Per Channel Behringer, ULTRA-DI, DI4000, 4-Channel, Rackmountable, Active, Direct, Box, with, XLR, 1, 4, Inputs, Per, Channel Click the image to close this page