Glensound UBBU 2 Stereo Channel Unbalanced To Balanced & Balanced To Unbalanced ConverterUBBU2 is a broadcast specification stereo unbalanced to balanced, and balanced to unbalanced analogue audio interface. Its primary job is to interface domestic type audio outputs (unbalanced) to the balanced audio inputs on broadcast and professional audio equipment while simultaneously connecting balanced outputs from professional equipment to the unbalanced inputs on domestic products. The two stereo circuits can both work as dual mono. Both the