Parts Express 12 VDC Bluetooth 4.0 FM Radio MP3 WAV FLAC Audio Preamp Board with Function Cables and Remote

3.5mm Stereo Panel Mount Jack (1)

12 VDC 3A Power Adapter

Parts Express 2.1 Hi-Fi Class D Audio Amplifier Board 2 x 15W + 30W 10-18 VDC

CTYRZCH Bluetooth MP3 Decoding Board Module w/ SD Card Slot / USB / FM / Remote Decoding Board Module M011

Audio Amplifier Board, Yeeco 2.1 Channel 2x80W+100W Digital Power Amplifier Board DC 12-26V 15V 19V 24V Car Audio Stereo AMP Module with Volume Knob 3.5MM Audio Input Dual Power Supply Input

DAYKIT 10 Pairs 12V Male+Female 2.1x5.5MM DC Power Jack Plug Adapter Connector for CCTV Camera

uxcell 2 Pcs 130W 2-Way Speaker System Audio Crossover Filters Frequency Distributor

KNACRO TPA3116 2.1 Subwoofer Amplifier Board DC12-24V HIFI Digital Amplifier Board 50W + 50W + 100W

Pyle Car Subwoofer Audio Speaker - 8in Non-Pressed Paper Cone, Black Steel Basket, Dual Voice Coil 4 Ohm Impedance, 800 Watt Power and Foam Surround for Vehicle Stereo Sound System - PLPW8D

Aideepen 50W + 50W TDA7492P 2x50 Watt Dual Channel Amplifier Wireless Digital Bluetooth 4.0 Audio Receiver Amplifier Board (Blue)