DIY Bluetooth Speaker Using Pallet Wood

List buy materials 4. 5inch 4Ohm 50W Woofer Speaker: 2inch 4ohm 20W midrange Speaker: 1inch 4ohm 15W tweeter speaker: 3 Way Crossover Audio Board: CSR8675 Wireless Bluetooth 5. 0 Receiver Board: TK2050 Power Amplifier Audio Board 2X50W: Battery capacity volmeter: B1212S Module: 250W 10A Stepup module converter: LM2596 Step Down Converter Module Power: 5. 5mm DC Metal Female Jack: Speaker single face seal glue: Aluminum Isolation Feet Pad Stand: Handled for speaker: 5s Battery pack: Adapter 21V 3A: Nylon Plastic (3M GLUE)stick on PCB: Self Adhesive Sticko