AEA TRP2 preamp provides two channels of high-output, high-impedance, and low-noise gain in a half-rack package with a rich and natural sound that brings out the full potential of your microphones. 
 
Features: 
Two channels with 85dB of sweet and quiet JFET gain 
Switchable phantom-power, polarity reverse, and high-pass filter 
63k ohm high-impedance circuitry providing better overall transients, frequency response, and higher output sensitivity 

Optimized for ribbon mics, condensers, and dynamics 
Switching power supply for easy use in any country 
1U half-rack with optional hardware for mounting one or two units together