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Amazon.com: CQRobot Speaker 3 Watt 8 Ohm Compatible with Arduino Motherboard, JST-PH2.0 Interface. It is Ideal for a Variety of Small Electronic Projects. : Everything Else
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5pcs/lot New 2w 8 Ohm Speakers Mini Ultra-thin Horn Speaker Diameter 40mm 4cm , 8 Ohm 2 Watt Loudspeaker For Arduino - Acoustic Components - AliExpress
![audio - How do I set up speakers in series and/or parallel for a minimum 4 ohm load on the amplifier? - Electrical Engineering Stack Exchange audio - How do I set up speakers in series and/or parallel for a minimum 4 ohm load on the amplifier? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/83VGT.png)