Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics
Speaker - 3" Diameter - 4 Ohm 3 Watt
3 inch 4 ohm 20 watt speaker, multimedia speaker, high power speaker, audio spea | eBay
Amazon.com: ALMOCN 4PCS 2" 4Ohm 3W DIY Small Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino and DIY Speaker : Electronics
Amazon.com: 4Pcs Audio Speaker 4Ohm 3W 1.5 Inch Full Range Audio Speaker HiFi Stereo Woofer Loudspeaker : Electronics
2Pcs 1.5Inch 40MM 4Ohm 3W Mini Portable Iron Case Speakers Full Frequency Stereo Sound Small Hifi 40 MM 4 Ohm 3 Watt Speaker - AliExpress
Amazon.com: MakerHawk 2PCS 4 Ohm 3 Watt Speaker for A rduino Single Cavity Mini Speaker Full-Range Cavity Mobile Portable Advertising Machine Speaker with 11mm Line Length JST-PH2.0mm-2 pin Terminal : Electronics
Speaker - 40mm Diameter - 4 Ohm 3 Watt : ID 3968 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: D-FLIFE 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (2pcs) : Electronics
Amazon.com: Ciglow Full Range Speaker, 3 Inch 4ohm 5W Mini Full Frequency Audio Speaker Loudspeaker Home Stereo Woofer Loudspeaker for Multimedia Sound Box DIY. : Electronics
Amazon.com: CQRobot Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, 2.54mm Dupont Interface. It is Ideal for a Variety of Small Electronic Projects. : Electronics
Speaker - 3" Diameter - 4 Ohm 3 Watt
Speaker - 3 Diameter - 4 Ohm 3 Watt : ID 1314 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Stereo Enclosed Speaker Set - 3W 4 Ohm : ID 1669 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: DIANN 4pcs 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for DIY Speaker : Electronics