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2pcs/lot New Ultra-thin Speaker 8 Ohms 1 Watt 1w 8r Speaker Diameter 57mm 5.7cm Thickness 12.7mm - Acoustic Components - AliExpress
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YuXi New speaker waterproof 4 ohms 3 watt 3W 4R 8 ohm 3W 2W speaker Diameter 57MM 5.7CM 40MM|Mobile Phone Flex Cables| - AliExpress
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