Lift series
Socket series
Solid suspension series
Wall rack series
Cart series
Projection screen
Conference System
PA system
Control system
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同轴 2×15"+0.75″；
阻抗：4Ω；
额定功率：600W；
灵敏度：127dB ；
频响范围：55-19KHz ；
材质：桦木；
Telephone:13910588519 /13161668929  Fax:  24 - hour service hotline:13910588519   http://www.bjsaida.com   
Factory name:BeiJing XHSD Technology Development Co.,Ltd. Address：Room 310, Building 5, No. 7, Anju Road, Changping District, Beijing (Zhuxinzhuang Metro East)   Beijing public network security equipment:11010802010137