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Amazon.com: Bridgold 10pcs NE5532 5532 Dual Operation high Performance Low Noise Audio Operational Amplifier for Professional Audio Equipment, Instruments, Control Circuits. : Electronics
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Amazon.com: Amplifier Board, HiFi OP-AMP Amplifier NE5532 Preamplifier Volume Tone Control Assembled Board : Electronics
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Amazon.com: Hilitand HIFI Preamp Amplifier DIY Kit NE5532 Pre Amplifier Volume Tone Control Board Kits AC 12V OP-AMP HIFI Amplifier (DIY kits) : Electronics
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