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Conference sound system
Instrument and meter
Full frequency array speaker QC-8c
Full frequency array speaker QC-12.3
12 inch active ultra-low frequency speaker QC-1
15 inch ultra-low frequency speaker QC-15B
Full frequency array speaker QC-845
Array Column Speaker Equipment QC-70JE
Ultra low frequency speaker equipment QC-LA212B
Array curved speaker device QC-16J
Array Column Speaker Equipment QC-4.3
12 inch ultra-low frequency speaker device QC-12B
Successful operation!
