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Amplifier loudspeaker ohm impedance output input voltage bridging impedance no matching speakers no matching ohms speaker amp 4 - 8 - 16 resistance ohms connection of power amplifier to speakers There are
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Speaker - 3 Diameter - 8 Ohm 1 Watt : ID 1313 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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