1: l-212 two-channel full-frequency remote linear array sound box design, with high definition and high sound pressure level characteristics, while accurate coverage, accurate sound, can reproduce beautiful sounds. Using two high sensitivity of two 12 inch bass and a high, the system adopts the advanced technology, to keep the bass and treble sound pressure output, such as ultra-thin speaker design, and only 1 ° single speaker high vertical Angle, can make the sound travels greater distances, steady when more closely connected array only speakers, speaker voice between losses to a minimum, years of professional painting process, elegant color paint mixing, hanging with professional aluminum parts, use agile and convenient. 2: the hanging system adopts the latest ergonomics and mechanical design, so that the whole system can be installed quickly and safely. System of high efficiency, high performance, trapezoidal cabinet design, beautiful and easy and lighter, combining plug-in is complete (with wire rope insurance), easy installation and clever, the transportation is convenient, good transient response and bright and clear texture, improved heat dissipation structure, the acoustic design of linear wavefront, used with low-frequency loudspeaker, may consist of 2 to 16 speaker array. 3. Applicable venues: sports venues, small and medium-sized performance systems, theaters, concert halls, performing arts centers, and conference centers