Specification: outer diameter: 56mm * 56mm Inbound size: 50mm
| Professional speaker junction box, rear iron back |
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| Item： | Lace spring column with D270 junction box | Product Name： | Professional speaker junction box, rear iron back |
| Descriptions： | Material: ABS wire box, gold spring copper column.
Specification: outer diameter: 56mm * 56mm Inbound size: 50mm |
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