Model: KS-550 Rated power: 550W+550W Power supply: AC220V/50HZ Sensitivity: 15V/usec, Size: 482*495*90mm. Net weight: 18KG Input socket: XLR socket and 6.35 socket, output terminal The output terminal and the "anti-touch" terminal make the operation safe and reliable; High-current toroidal transformer with extremely low noise and extremely reliable reliability; The front-to-back ventilation system is equipped with fans with high-efficiency wind control and automatic adjustment functions; 2 41-level potentiometer gain tuning control, with temperature protection, DC voltage protection, output short circuit protection, power-on/off inrush current protection. 2U body, 2 channels, parallel or mono bridge connection, flexible use, reliable overload Over-current protection, accurate signal and clipping LEDs allow you to see the operating status of the power amplifier at a glance, The structure is sturdy, even in the extremely harsh working environment, but also durable!