The flagship of the entire FBQ series, the ULTRAGRAPH PRO FBQ6200 is an ultra-musical 31-band stereo graphic equalizer that goes the distance to offer a maximum in performance and flexibility in both live and studio applications. Start with the forward-looking, patent-pending FBQ Feedback Detection System that instantly reveals feedback frequencies and also can be used as an audio analyzer. A whole battery of superb features makes the FBQ6200 score high on the ease-of-use scale: dedicated limiters with gain reduction meters for each channel protect your sound system from overload and distortion, and a pink noise generator provides test signals for equalizing your sound system to any room acoustics. A mono subwoofer output with dedicated level control and adjustable crossover frequency gives your music some extra verve.