The HT1652ARZ is a 8-pin SOP-8 Audio Power Opamp manufactured by HTCSEMI. It features a high input impedance, low input bias current, wide power supply range, and low noise. The Opamp is RoHS compliant, which means it is compliant with Restriction of Hazardous Substances (RoHS) directives. Additionally, it has low output offset voltage and excellent power supply rejection ratio. This makes it suitable for a variety of audio applications such as amplifiers, preamplifiers, and active filters.