... groundInput: Balanced to ground,XLR female combo jack 6.3 mm, RJ45Output: High current Neutrik 4-pole Speakon connectors Stereo Or ... )LED indicator: level indicator, malfunction indicator, overheat indicatorDimension:483 * 445 * 44 mm W * D * HWeight:11.5KgContact person: Fancy Zhang Cell: 0086 ...