• 气动辅助可从 3'8"(1118MM) 调节至 6'7"(2007MM)
• 气动辅助三脚架，采用内部充气式减震装置为您抬升扬声器
• 设计用于以下 JBL 型号：JRX200、PRX400、STX800、EON、PRX700、VRX900

**Change made:** - Line 2: Changed "利用内部充气式减震装置" to "采用内部充气式减震装置" for better formal register and technical precision. "采用" (employ/utilize) is the more appropriate formal technical term in B2B professional audio copy, whereas "利用" (make use of) carries a slightly more colloquial tone.