2pcs 8 Ohm 5w Loudspeaker 78mm 3inch Square Speaker Waterproof Clear Cone Paper Bright Cap 45mm External Magnetic Height 28mm - Acoustic Components - AliExpress
Amazon.com: CQRobot Speaker 5 Watt 8 Ohm Compatible with Arduino Motherboard, JST-PH2.0 Interface. It is Ideal for a Variety of Small Electronic Projects. : Electronics