Fredenstein U70F, Peak-Program-Meter, simultaneous RMS indication, Dual ranges: -39 to +20dB at 1 dB resolution or -19.5dB to +10dB at 0.5dB resolution, switchable peak hold function, balanced inputs and outputs, 2x XLR I/O balanced, built-in Power Supply, Desktop or rack-mountable, 19" 1U