The NS4158B Audio Power OpAmps SOP-8_150mil RoHS is a power amplifier manufactured by Nsiway. It is designed to provide excellent performance in a range of audio applications, such as professional audio mixing consoles, high-end amplifiers, and sound reinforcement systems. Features include wide supply voltage range, wide bandwidth, low distortion, and low noise. It is available in an RoHS-compliant 8-pin SOP-150 mil package and is suitable for both single-ended and bridge configurations. Additionally, it exhibits high gain bandwidth product, stable temperature drift, and fast gain recovery times.