We have equipped a linear sound column for sound reinforcement, which has high power and high sensitivity, and can provide clear, delicate and full sound reinforcement effects. The sound pillars all adopt a customized white appearance and integrate into the conference room decoration style, making the entire occasion more beautiful and coordinated. The sound source adopts a wireless conference system and a wireless handheld microphone. It adopts a die-cast aluminum alloy multi-chambered square microphone. It is connected to the microphone base through a fixed joint, and the pitch angle can be adjusted, making it convenient for users to use it at long and short distances. Professional high-fidelity capacitor microphone core, sensitive pickup and clear voice. It has an anti-electromagnetic interference circuit design to eliminate electromagnetic interference from mobile phones and other electronic products.