AD828 is an improved version of NE5532 designed for power amplifier modules, delivering better performance than NE5532. Key benefits Improved performance: higher quality sound and reliability compared to NE5532 in similar amplifier applications. Separated potentiometer version: easy to install and not restricted by the spacing between enclosure casings. Single power supply, dual purpose: simplifies wiring and broadens use cases. construction: made from materials with quality. Use scenarios DIY audio amplifier projects: NE5532 in preamp or driver stages to achieve cleaner sound and better performance. Home audio applications: suitable as a preamp or signal conditioning stage in compact stereo or desktop setups. Small speaker or compact amplifier builds: a compact singlesupply opamp module that fits space and power constraints.