AIYIMA 1Pcs 30W 3 Inch Gamma Completa BASS Speaker 3 Ohm Audio Portatile Altoparlante Driver a Corsa altoparlante di Alluminio Del Bacino di Gomma _ - AliExpress Mobile
3 inch 4 ohm 20 watt speaker, multimedia speaker, high power speaker, audio speaker | Electronicspices
40 Watt Black Benson Acoustics 3 Inch Woofer Speaker, 8 Ohms