The dbx 580 Microphone Preamp is the perfect partner to your microphones, providing sonically-transparent gain that will reveal the detail and audio signature of even the most esoteric microphones. It will transform their low level output signal to a high level, high current output for direct connection to the line level inputs of your mixer, sampler or any other recording medium that accepts line level, analog input. - Premium low-noise Mic Pre with up to 60dB of gain - Variable-Frequency Low-Cut Filter - Low and High Detail Equalization - 20dB Pad - Polarity Invert - +48V Phantom Power - 1/4 " Front Panel Instrument Input - VU Meter - Peak Indicator