- G.L.S stationed in the Oriental Pearl Palace of Fine Arts
- The school adopts g.l.s NX series linear speakers, nx8l / 18b12 + 2 for sound reinforcement, with small volume, light weight, long projection distance, high sensitivity, strong penetration, high sound pressure level, clear voice, strong reliability and even sound coverage between regions.
- Rongqiao branch of Affiliated Primary School of Northwest Polytechnic University
- With the small box body and high power mode, the front loaded horn inverted phase structure and six order band pass structure are adopted to give full play to the characteristics of the horn structure, greatly improving the system's sound pressure output capacity and the linear working range of the system