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How to Wire a Dual 2 ohm Subwoofer to a 1 ohm Final Impedance | Parallel Wiring | Car Audio 101 - YouTube
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Matching Subwoofers With Amplifiers: Calculating Subwoofer Impedance | MTX Audio - Serious About Sound®
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JBL STADIUM122SSI 12" High Performance Automotive Audio Subwoofer with Selectable Impedance - Creative Audio
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