Dual-channel tube compressor and amplifier. Superior performance and an incredible tone makes the ProVLA II and indispensable tool for tracking, mixing, mastering, dynamic control of live sound sources or for use in broadcast audio. Unlike typical compression units that use Voltage Controlled Amplifiers to handle level detection, the Pro VLA II's Opto-electronic design allows a far more transparent and musical sounding compression without sounding aggressive or un-natural. Large highly visible backlit analog VU meters accurately display input and output levels while extremely fast 10-segment LED's display gain reduction. On the rear panel it has active balanced XLR and TRS inputs and outputs. Frequency response is 10 Hz - 100 kHz and input impedance is 10k ohm. Dimensions: 89 x 483 x 233 mm. Weight: 4,8 kg.