OMNITRONIC LH-045 is a one-channel microphone preamplifier with balanced XLR and unbalanced 6.3 mm jack inputs. It provides variable gain from 6 to 50 dB, switchable 30 V DC phantom power and a clip LED. The line output is available via balanced XLR or unbalanced 6.3 mm jack connections. The metal housing has a silver finish, and the unit is specified for installation, mobile use and mobile DJs or entertainers.