Pro Co DB-1, 1-channel Passive Instrument Direct Box
One of the most popular direct boxes on the market, Pro Co's DB1 is a high-quality passive direct box you can use to connect unbalanced musical instruments, line-level sources, and guitar amplifier outputs to lo-Z balanced microphone inputs for PA or recording. There are switches for speaker/line-level attenuation, high-cut filter, and ground lift, and it has male XLR-type balanced mic-level.