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albeth buenaventura
Diy portable Bluetooth speakerAmplifier tb21 + zk-amp set plateSubwoofer dual sony subwoofer 5.25inchSurround 4pcs sony fullrange 3inchTweeter Harman kardon tweeter 2inchBattery pack 4s4p 16.8vBox 12x18x12 inches thai concept