ULTRAGRAPH PRO FBQ3102HD High-Definition 31-Band Stereo Graphic Equalizer wit…
Additional Sweepable High And Low-Cut Filters For Each Channel Remove Unwanted Frequencies E G Floor Rumble Hiss Etc Dedicated Mono Subwoofer Output With Adjustable Crossover Frequency Revolutionary Fbq Feedback Detection System Instantly Reveals Critical Frequencies And Can Also Be Used As Audio Analyzer Provides a smoother finish and longer paper life