(1/4" TRS & XLR) Professional Multiband Spatial Sound Enhancement Processor with Built-In Noise Reduction System The ULTRAFEX PRO is one of the best-selling psychoacoustics devices worldwide. Its "Natural Sonic" processor guarantees aural improvement and high-end transparency, and the integrated bass processor works wonders for your audio's low end. In addition, the EX3200's adjustable surround processor allows flexible widening of the stereo spatial effect