Behringer SX3040 V2, Stereo Exciter / Bass Processor, Gives the overall sound more transparency, space and depth, Separate knobs per channel for Tune, Harmonics and Mix on the Exciter section, Separate knobs per channel for Drive, Tune and Mix on the Bass Processor section, Servo-balanced inputs and outputs with 6.3 mm jack and gold-plated XLR sockets, Power supply: 100 - 240 V AC / 50 - 60 Hz, Dimensions: 19"", 1U, 150 mm case depth, Weight: 1.5 kg