Avant12 is a speaker system specially designed for high-quality live sound reinforcement. It is a passive frequency division loudspeaker system using dual voltage division coaxial technology. Avant12 adopts a rear guide box. It has built-in a custom-made 12 inch high-efficiency ferrite magnetic circuit low-frequency horn unit with French pull ring and a high-efficiency 1.7-inch Italian B&C custom compression driver mounted on the third-order double voltage dividing horn system. The box designed by dual partial pressure coaxial technology adheres to the consistent ultra wide coverage characteristics, high resolution and accurate audio-visual position. Avant12 speaker system has a frequency response range from 55 Hz to 20 kHz. It can be used as a full frequency sound reinforcement system, and can also be used with tiger series ultra-low frequency speaker system. The box is made of Finnish birch plywood, and the surface wear-resistant water-based paint is treated as the final paint. The front panel of the speaker system is protected by a hard metal mesh cover. There are 18 M10 screw holes of refined steel on the box, which can adapt to any required hanging mode. There are two parallel Neutrik speakon nl4mp sockets on the aluminum backplane. The speaker system box and most of its accessories can be provided with self selected color (SC) version, which can be sprayed with ral color. The external frequency division mode can also be provided according to the higher use requirements of customers, so that the speaker system can give more pure play to its own effect.