Pallet Bluetooth Speaker V3 DIY

List buy materials: - 5inch 2ohm 30W Mid Bass Speaker( I recommend 4 speaker): - 4Ohm 25W Tweeter Speaker: - 5inch Passive Radatior Speaker( I recommend) : - Preamplifier OPA2604 Board: - Potentiometer extension cord: Updating - 5.0 LDAC Bluetooth Module: - Mono 200W Class D Amplifier Board: - Digital volume control board: - Nylon Plastic stick on PCB: - Speaker Crossover Inductor: - Speaker Crossover Capacitor: - 12uf Speaker Crossover Capacitor: - Double Pole 2 Way 6 Pin Power Switch: - DC Male Jack: - Audio Aux Female Jack: - Volume Knob: - Disposable Syringe: - Makita Terminal: - 704 Sillicon Rubb