The Camden 500 is a clean microphone preamp with a unique Mojo circuit. Switch the Mojo circuit to Thump and dial up more low end saturation. Switch it to Cream and dial up some higher harmonic content. Or turn it off for a completely clean signal. These preamps are one of the best value 500 series modules out there. I'm moving to SSL, so here's your chance to save on one or two for a stereo pair. This is the newer version of the module with an LED for the 48v phantom power. Comes with original packaging and in excellent condition. Two available at $400 each