Klark Teknik DF 1000, dual-channel feedback suppressor, fully-automatic operation with zero-configuration setup, offers up to 10dB increase in system gain, instantly detects and stops acoustic feedback, ultra-fast and precise DSP selects and applies up to 32 filters per channel, two fully-independent audio channels to process stereo or separate zone signals, extremely-narrow filters (up to 1/30th octave) to retain overall signal integrity, front-panel control featuring suppression and filter reset buttons, two balanced/unbalanced inputs - line level XLR/TRS combo and 3-pin Euroblock connectors, Auto-ranging 100-240VAC universal switch-mode power supply, dimensions (H x W x D): 50mm x 483mm x 296mm, weight: 2,9 kg