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Amazon.com: 5 Inch Car Midrange Driver - 200 Watt High Powered Car Audio Sound Component Speaker System w/ High Temperature Kapton Voice Coil, 80Hz-7kHz Frequency, 90 dB, 8 Ohm, 15 oz Magnet -
MakerHawk 2pcs Speaker 3 Watt 8 Ohm Single Cavity Mini Speaker Full-Range Cavity Mobile Portable Advertising Machine Speaker Connector Separating Interface 3.3V 5V