4 Inch Coaxial Speakers
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Rainbow IL-X4F BMW Mix
The Rainbow Intelligence Line IL-X4F BMW Mix is a 4-inch (100 mm) coaxial speaker set made in Korea. Consider this model for a BMW audio upgrade after confirming vehicle-specific mounting and electrical compatibility.
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Rainbow IL-X4 BMW E-Series Front/Rear – Intelligence Line
A 4-inch (100 mm) coaxial speaker set identified by Rainbow for BMW E-Series front/rear applications. Exact installation locations depend on the vehicle and original audio configuration.
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Rainbow IL-X4 BMW F-Series Front/Rear – Intelligence Line
A 4-inch (100 mm) coaxial speaker set identified by Rainbow for BMW F-Series front/rear applications. Exact installation locations depend on the vehicle and original audio configuration.
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