درست کردن اسپیکر بلوتوث

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- Parts that you need: - Bluetooth Audio Power Amplifier : https://goo.gl/3nuocE - 11,1v 18650 Battery Board : https://goo.gl/DUTok7 - 4ohm 15W speaker, 4ohm 3W speaker - Old laptop battery, Wooden Tea Box

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