NE5532AD8R2G - 

NE5532, SE5532, Internally Compensated, Low Noise Dual Operational Amplifiers, ON Semiconductor
The ON Semiconductor NE5532/SE5532 are dual high-performance low noise Op Amps. These Operational Amplifiers are suitable for high-quality and professional audio equipment, instrumentation and control circuits, and telephone channel amplifier applications. They are internally compensated for gains equal to one. If low noise is of prime importance in your design, “A" suffix versions are recommended as they have guaranteed noise voltage specifications.