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Amazon.com: 500W +/-35V Amplifier Dual-Voltage PSU Audio Amp Switching Power Supply Board : Electronics
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Yuan Jing Audio - 12V to +/- 45V DC to DC Converter [500W] - USD $58.40
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Yuan Jing Audio - 12V to +/- 45V DC to DC Converter [500W] - USD $58.40
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