57mm * 57mm speaker junction box stage box junctio
Item:
57mm * 57mm junction box
Product Name:
57mm * 57mm speaker junction box stage box junctio
Descriptions:
57mm * 57mm junction box Model: Hongke full copper column D270 two position junction box
Material: black ABS junction box, Hongke full copper column
Specification: outer length * width: 57mm * 57mm inner: 50mm * 50mm
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