The Nsiway NS4358 with Audio Power OpAmps SOP28 RoHS is a quad audio power operational amplifier. It offers improved performance over traditional audio operational amplifiers with low-noise, low-distortion, and high slew rate. The NS4358 is designed to drive high current loads and has high supply rejection. It is a SOP28 RoHS package, which is RoHS compliant and lead free. It is suitable for consumer audio, audio filtering, pre-amps, and professional audio equipment.