Samson's MCD2 Pro Stereo Passive PC Direct Box is the ideal solution for connecting unbalanced line level signals from laptops, CD/MP3 players, and DJ mixers to professional, balanced equipment. Durable, roadworthy construction and two Mu-Metal shielded transformers provide high-quality signal connection solutions for a variety of live sound and recording applications. Features include: · All-metal, impact resistant design · Dual Samson STLX Mu-Metal shielded transformers · Stereo/Mono sum switch · 2-position 0dB/-12dB attenuation switch · Ground Lift switch · Dual 1/4 inch. and RCA inputs · Stereo 1/8 inch. input · Dual balanced XLR outputs · No Phantom or Battery power required