Behringer HA6000, Headphone Amplifier, Professional headphone amplifier system for stage and studio applications, 6 Independent stereo high power amplifiers in 1U, 6 Direct aux inputs, High and low EQ per channel for perfect sound matching, Output level control with LED output counter per channel, Mono / stereo switch per channel, 6.3 mm Headphone output on front and back, ""Planet Earth"" switching power supply for maximum flexibility (100 - 240 V ~), Type: 19"", 1 U