carvin fdr60 filter direct box 3 packThe FDR60 direct injection box is a gig bag essential. Featuring a quarter inch input and balanced XLR outputs, the FDR60 is lightweight, compact, and built to last. It converts your instrument’s line level signal into a balanced XLR signal to send to a mixing board. Need to route your bass to the front of house and your amp at the same time? Simply plug in your bass, connect one output to your bass amp and the other to the mixing board and you’re good to go. It’s also perfect for use with keyboards, synthesizers, and acoustic guitars equipped with piezo pickups.