1、1U height 9 "width of standard cabinet, compact size, lightweight and portable; 2、ClassD power module with fixed switching frequency; 3、The soft start LLC resonant SMPS module; 4、The active power factor correction (PFC), can be stable working in full voltage range (90-260V); 5、The efficient speaker EMF absorption system; 6、The unique peak limiter and ripple cancellation network; 7、The fan with temperature control and variable speed, airflow from front to rear; 9、Connection mode selection (stereo / parallel / bridge); 10、Input sensitivity switch (0.775v/1v/32dB); 11、The whole circuit protection, including: soft start, DC, infrasonic frequency, high-frequency, overheat, short circuit, mute on / off; 12、The low frequency powerful, depth is extremely low, mid high frequency with high transparent, clear and sweet; 13、The integration design of the power amplifier module and power supply module, more than 85% components with mechanical automation operation, to ensure the consistency of the product;