Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725

Audio Amplifier Board, DROK 5W+5W Mini Amplifier Board PAM8406 DC 5V Digital Stereo Power Amp 2.0 Dual Channel Class D Amplify Module for Speaker Sound System DIY

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

Icstation Digital FM Radio Wireless Receiver Module LCD Display DSP PLL 76.0MHz-108.0MHz

Super Mini PAM8403 DC 5V 2 Channel USB Digital Audio Amplifier Board Module 2 3W Volume Control with Potentionmeter Switch Pack of 2

HiLetgo 5pcs PAM8403 23W Mini Digital Power Amplifier Board AMP Class D 2.5-5V Input

Gikfun 1.5" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1794

XCSOURCE 5 pcs 1A 5V Micro USB TP4056 Lithium Battery Power Charger Board Module TE420

HiLetgo TF Card U Disk Play MP3 Decoder Player Module with Audio Amplifier Audio Decoding Player Module Micro USB 5V Power Supply

CQRobot Speaker 3 Watt 8 Ohm for Arduino, JST-PH2.0 Interface. It is Ideal for a Variety of Small Electronic Projects.

AIYIMA 2pcs Subwoofer 2 inch 4ohm 5w Full Range Speaker Mini DIY Audio Subwoofer Loudspeaker