Proper Configuration of Bluetooth speaker DIY.

How to get zero noise and sound like branded sound system.
Component details.
5V Mono Speaker System
1. PAM8403 amplifier
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2. 2.2 ohm resistance
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3. 3 Watt 4 ohm speaker
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12V mono speaker system
1. 150W DC to DC Step up module
bit.ly/3uqJn63
2.12V to 5V converter IC
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3. 5V voltage isolator
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4. 18 watt mono amplifier
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5. BT module
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6. 10 watt 4 ohm speaker
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12V stereo speaker system
1. 150W DC to DC Step up module
bit.ly/3uqJn63
2.12V to 5V converter IC
bit.ly/3rfsc5s
3. 5V voltage isolator
bit.ly/3NY13xz
4. PAM8610 amplifier
bit.ly/37wlOQf
5. BT module
bit.ly/3v4v5XX
6. 10 watt 4 ohm speaker
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Mini sub woofer
1. 150W DC to DC Step up module
bit.ly/3uqJn63
2.12V to 5V converter IC
bit.ly/3rfsc5s
3. 5V voltage isolator
bit.ly/3NY13xz
4. PAM8610 amplifier
bit.ly/37wlOQf
5. BT module
bit.ly/3v4v5XX
6. Bass Treable control circuit
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7. 10 watt 4 ohm speaker
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8. 12V voltage isolator
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9. Woofer 15 Watt 4 ohm
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Sub woofer
1. 150W DC to DC Step up module
bit.ly/3uqJn63
2.12V to 5V converter IC
bit.ly/3rfsc5s
3. 5V voltage isolator
bit.ly/3NY13xz
4. Home theater Kit
bit.ly/3KveYJx
5. 70 Watt speaker
bit.ly/363ibB6
6. Woofer 25 watt 4 ohm
bit.ly/3joHJvm