HiLetgo TDA7492P 50W+50W Wireless Bluetooth CSR4.0 Audio Receiver Digital Amplifier Board 8~25V DC2.1 Power Supply

AOSHIKE DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp)

AOSHIKE 2pcs 4 Inch DIY Bass Speaker Loudspeaker Vibrating Membrane Passive Bass Woofer Diaphragm Plate,Speaker Passive Radiator Replacement Kit

Bluetooth Amplifier Board, DROK Digital Amplifier Wireless BT 3.0 4.0 4.1 Audio Amp Board Headphone 2 Channel 50W+50W Bluetooth Speaker Board Small Amplifier Module with Case

Icstation Bluetooth Receiver Board BT 5.0 Stereo Audio Amplifier 2x5W Mini Power Amp Module 3.7-5V for DIY Wireless Speaker

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

TalentCell Rechargeable 12V DC Output Lithium ion Battery Pack for LED Strip/Light/Panel/Amplifier and CCTV Camera with Charger, Multi-led Indicator Black (3000mAh)

Rockford Fosgate R14X2 Prime 4-Inch Full Range Coaxial Speaker - Set of 2

TalentCell Rechargeable 12V 3000mAh Lithium ion Battery Pack for LED Strip, CCTV Camera and More, DC 12V/5V USB Dual Output External Battery Power Bank with Charger, Black

Bluetooth Board, DROK Audio Receiver Bluetooth Module DC 5V-35V Portable Wireless Electronics Stereo Music Receive Circuit Chip with Micro USB Port for Headphone Speaker Home Sound System DIY

200W Bluetooth Amplifier Board TPA3116,DAMGOO 100W+100W Audio Amp Board with LC Filter Technique,Dual Channel DC8-24V,Password Free Connect to Phone Quietly