100% never used In factory box Converts your turntable's output to work with your stereo! The BBE FJB-200X Phono Preamp converts an RIAA turntable signal into line level so you can play your vinyl straight through your stereo, mixer, or computer sound card. The BBE preamp has stereo RCA I/O, 1/4" TRS out, and a grounding post for 60-cycle hum elimination. Works with magnetic phono cartridges. Features Preamp converts RIAA turntable signal into line level Stereo RCA I/O 1/4" TRS out Grounding post Works with magnetic phono cartridges