SSL FX G383 Vintage, Microphone Pre-Amp Description - Dual Channel Pre-Amp - 4 Band Equilizer - 48 Volt Phantom Power - Vintage The Pre-amp has very slight bends on the mounting ears from weight of unit, slight scapes also on the top of unit. The front has no defects or scratches. Tested in studio application. Please see the pictures for cosmetic condition. - High Pass Filter - HPF Selectable In/Out - Low EQ Points - Low Mid EQ - High Mid EQ - High EQ - Mic Input Attenuation from +6 to +72 dB in 6 dB Increments - Continuously Variable Microphone Input Impedance per Channel 48v Phantom Power, and EQ Bypass