Bottom outer hole diameter: 92mm, bottom inner hole diameter: 89mm
The product length is 117mm, and the box size is 100mm
| Speaker phase guide pipe HIFI audio guide pipe inv |
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| Item： | C12 large speaker | Product Name： | Speaker phase guide pipe HIFI audio guide pipe inv |
| Descriptions： | Outer hole diameter: 121mm, inner hole diameter: 96mm
Bottom outer hole diameter: 92mm, bottom inner hole diameter: 89mm
The product length is 117mm, and the box size is 100mm |
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