Mini Preamp Op Amp Module Amplifier Dual Channel Ne5532 Preamplifier Tone Board 5 Times Wide Voltage 12-30v G10-004 - Operational Amplifier Chips - AliExpress
NE5532 Pinout, Applications, Equivalents, Features and More
Dual OP Amp Preamp DC Amplification Board PCB for NE5532 OPA2134 OPA2604 AD826 | eBay
NE5532 Preamp Circuit: Building Different Circuits with This Audio Amplifier IC
NE5532 OP AMP Preamp Pre-amplifier Board Single Power Supply With Volume Control | eBay
NE5532: Superbal circuit - Audio forum - Audio - TI E2E support forums
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NE5532 - Wikipedia
NE5532 Op-Amp IC circuit Diagram
NE5532 OP AMP HIFI Preamplifier Signal Amplification Board for Bluetooth Pre-amp | eBay