CHENBO 10PCS PAM8403 Module Super Mini Digital Amplifier Board 2 3W Class D 2.5V to 5V USB Power Supply

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

uxcell a15080600ux0275 Metal Shell Round Internal Magnet Speaker 2W 8 Ohm Pack of 4

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

MagiDeal 10pcs Female MICRO USB to DIP 5-Pin Pinboard 2.54mm micro USB type

uxcell a14061600ux0006 B103 16x2mm 10K Ohm Double Dial Taper Wheel Duplex Potentiometer (Pack of 5)

Adafruit PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A - 1000C

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

Cylewet 2Pcs Diameter 4cm 4ohm 3W Loudspeaker Audio Speaker Stereo Woofer for Arduino (Pack of 2) CYT1026

Nine to Nine 3.5mm Stereo Jack Panel Mount Connector Pack of 10

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