* List buy materials
4.5inch 4Ohm 50W Woofer Speaker: http://bit.ly/2utGdBZ
2inch 4ohm 20W midrange Speaker: http://bit.ly/2vkR41E
1inch 4ohm 15W tweeter speaker: http://bit.ly/37nLTfm
3 Way Crossover Audio Board: http://bit.ly/2TRgmyB
CSR8675 Wireless Bluetooth 5.0 Receiver Board: http://bit.ly/2TWp7r4
TK2050 Power Amplifier Audio Board 2X50W: http://tiny.cc/brbjtz
Battery capacity volmeter: http://bit.ly/37Bs0Bu
B1212S Module: http://bit.ly/2NTbs08
250W 10A Stepup module converter: http://tiny.cc/crbjtz
LM2596 Step Down Converter Module Power: https://goo.gl/NjmEDD
5.5mm DC Metal Female Jack: http://bit.ly/2X35qMR
Speaker single face seal glue: https://goo.gl/9tK5Z9
Aluminum Isolation Feet Pad Stand: http://bit.ly/2KH2MII
Handled for speaker: http://tiny.cc/pzuksz
5s Battery pack: http://bit.ly/2XAvhNj
Adapter 21V 3A: http://bit.ly/2O9Q8Ei
Nylon Plastic (3M GLUE)stick on PCB: http://bit.ly/37yqfoS
Self Adhesive Stickon Mounts For Cable Ties: http://bit.ly/36vHXYR

* Watch more video
Epoxy Resin Table Bluetooth Speaker: https://tinyurl.com/4bke37w4
DIY Bluetooth Speaker Using Pallet Wood V2: http://tiny.cc/0h7nsz
Upgrade Bluetooth Speaker Using Broken Skateboards: http://tiny.cc/vg7nsz
DIY Bluetooth Speaker Using Broken Skateboards: http://tiny.cc/5fxhpz
DIY Bluetooth Speaker Using Pallet Wood: http://tiny.cc/mhmzmz
How To Make A Wifi Bluetooth Speaker: http://bit.ly/34IjlLH
How to Turn Old TV into 4.1 Bluetooth Speaker: http://bit.ly/2pCrSkA
Colored Pencils Bluetooth Speaker V2: http://bit.ly/2P1PWHY
DIY Epoxy Resin Bluetooth Speaker: http://bit.ly/2miziaZ
DIY subwoofer: http://bit.ly/2PaKYu4
DIY 2.1 Bluetooth Speaker Using Colored Pencils: http://bit.ly/2IlnoEo
DIY Bluetooth & Wifi Speaker: http://bit.ly/2GoP5va
DIY Buetooth Speaker: https://goo.gl/UzrZRR
How To Make A Waterproof Bluetooth Speaker Using Plastic Pipe And Simple Tools: https://goo.gl/RdUL2T
DIY 2.1 Bluetooth Speaker Using 100W Subwoofer:
https://goo.gl/i1pPUY
How To Make Boombox Bluetooth Speaker Using Pipe Plastic (New Version): https://goo.gl/tExBri
How To Make Boombox Bluetooth Speaker From Pipe Plastic:
https://goo.gl/8y3VSx
Building Portable Bluetooth Speaker https://goo.gl/nMKukP
How To Make A BoomBox Bluetooth Speaker https://goo.gl/t8zYjD
How To Make A Solar Power Bank Charger For Mobile:https://goo.gl/K7s9Hg
Diy Bluetooth Speaker From Box Tea: https://goo.gl/DUSj8x
How to make 24V RECHARGEABLE BATTERY: https://goo.gl/BTbzp6
How to make 3s Battery: https://goo.gl/oL2cfM
DIY Cooling Fan For Laptop: https://goo.gl/z3SRtR

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