Sure Electronics AA-AB32231 2x8W at 4 Ohm TPA3110 Class-D Audio Amplifier Board

Parts Express 2.1mm x 5.5mm Power Plug to Screw Terminals

Parts Express 50K Audio Taper Stereo Potentiometer 1/4" Shaft

12 VDC 3A Power Adapter

Sure Electronics AA-AA11136 Two Conductor Screw Terminals for Amplifier Boards 10 Pcs.

Sure Electronics Bluetooth v4.0 Audio Receiver Board aptX +EDR 12 VDC

Mighty Max Battery 12V 7Ah Solex BD127 SB1270 Alarm Back Up Battery brand product

Sure Electronics APT-X Bluetooth 4.0 Audio Receiver Board Wireless Music Stereo for iphone PC

Parts Express Speaker Cabinet Port Tube 1" ID x 4" L Flared

12V 2A Adapter,AC 110V-220V Power Supply 24W Max Convert Transformer Plug/2.1x5.5mm Connector with 4 Ft Extension Cord for CCTV Camera System&LED Strip Light (1-4 Pack Splitter Cable&DC Jack Extra)

KNACRO 3W+3W Wireless Bluetooth 4.0 Audio Receiver Steady Digital Amplifier Board

Lsgoodcare 10Pack 5.5 x 2.1 MM 5A DC Power Jack Socket Threaded Female Mount Connector Adapter with Dustproof Plug

BINZET 12V 2A Power Adapter, AC to DC, 2.1mm X 5.5mm Plug, Regulated 12v 2a Power Supply Wall Plug for LED Copper String Light, LED Strip Light

Audio Amplifier Board, DROK PAM8406 Digital Power Amplifier Board 5W+5W Immersion Gold Stereo Amp 2.0 Dual Channel Mini Class D DC5V Amplify DIY Circuit Module for Bookshelf Floor Speakers with Knob

SIM&NAT DC Barrel Power Plug Pigtail Cable, 2.1mm x 5.5mm Male Female Barrel Jack Connector Cord With Bare Wire for Security CCTV Parking Camera Car Monitor Surveillance ( 5.9 inch / 15 cm )