ΣJ212

Two way full range high 
sensitivity speaker 
LF:12"×1+HF：φ44mm×1

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ΣJ215

Two way full range high 
sensitivity speaker 
LF:15"×1+HF：φ75mm×1

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ΣJ218

Two way sub-frequency, 
high sensitivity speaker; 
Two 18 inch professional 
high effective woofer unit

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