SRX722 professional speaker has a real natural performance, its biggest feature is the frequency bandwidth, high analytical power, strong penetration, high-frequency transparent light, strong midrange sound, deep and powerful bass; durable appearance, the use of high density The board is used as the structural material of the box, and the surface of the box is made of black diamond emery with high durability. This kind of speaker is very strong in terms of its anti-aging intensity, can withstand the sun and rain for a long time, and it is installed in the house to prevent the bad environment such as moisture.