The DB1050 Passive Multi-Media Direct Box transforms any line level stereo source into a low-impedance (XLR) mono signal ready to be sent long distances to a mixing board or recording console. Its passive design features isolated inputs, a 15dB pad switch, ground lift switch, and Hi-Z/XLR selector switch. Stereo 1/4", 3.5mm, stereo RCA, and XLR line inputs make it perfect for computers, mp3 players, keyboards, projectors, and DJ equipment. RCA inputs feature hardwired Thru outputs for easy integration with DJ gear.