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add to cartProduct Type feedback suppressor FBX2420 SMART Filter technology Chao told of personal use feedback control Quick and quiet adjustment settings Increased noise margin and lower body In point of 1Hz resolution setting filter Clear and transparent sound - make your voice more clear and unmodified Provide greater gain before feedback 24bit Digital Resolution Three-color LED display filters Each channel has 12 filters Dual-channel input and output Find and eliminate feedback need time 0.4 seconds . |