REDBACK 30W 2 Input 100V Public Address (PA) Amplifier Designed to meet the requirements of small to medium sized professional public address installations, delivering an output power of 30W RMS. . With one balanced microphone and two stereo line inputs, with recessed treble and bass controls, it’s perfect for simple installations requiring minimal inputs. Frequency response extends from 40Hz to 10kHz at a total harmonic distortion (THD) of less than 0.5%. Output is 100V line only. This unit includes thermal overload shutdown, over current and short circuit protection. VOX circuit on input 1 mutes input 2. Features variable sensitivity and time delay setting. Features Balanced microphone input Built in VOX muting circuit Stereo line inputs Bass and treble tone controls 240V AC operation Built in short circuit protection Thermal shutdown circuit protection