Samson's MD2 Pro Stereo Passive Direct Box combines two premium direct boxes in a single case. Rugged, roadworthy construction and two shielded transformers provide high-quality signal connection solutions for a variety of live sound and recording applications. The MD2 Pro is perfect for converting unbalanced stereo line level or instrument signals from keyboards, electronic drum kits, acoustic-electric guitars and more. Features include: · All-metal, impact resistant design · Dual Samson STLX Mu-Metal shielded transformers · Stereo/Mono sum switch · Dual 3-position 0dB/-10dB/-20dB attenuation switches · Dual Ground Lift swithes · Dual 1/4 inch. Inputs and Thrus · Dual balanced XLR outputs · No Phantom or Battery power required