Lakas ng Bayo ni Joson Mars Max sa DIY Dual Box Subwoofer...
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800watts ko Basic lang kay JOSON MARS MAX. detalye ng sukat ng Lfort ng ispeker....
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L Forted Dual Box Subwoofer di 15 paano ginawa.?
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Dual Lported Subwoofer Box d12
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ASSEMBLING SUBWOOFER BOX /DUAL 12
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videoke head unit
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JOSON MARS TESTING SA ISANG SPEAKER LANG KAYANG KAYA KAYA NYA? @novsaitv9023
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How to Make L PORTED BOX DESIGN d12" | Making Soundbox for Subwoofer Frequency
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