BUY AF9591 https://www.utsource.net/itm/p/1901185.html

AF9591 is a high-performance, low-power, low-voltage, single-channel, low-noise amplifier designed for use in mobile phones and other portable audio applications. It features a wide supply voltage range (1.8V to 5.5V) and low quiescent current (2.5mA). The amplifier has a high gain of up to 40dB and a low noise floor of -90dBV. It is designed for use with a wide range of audio sources such as microphones, headphones, and line-level inputs. The amplifier is also capable of driving loads up to 32 ohms. The AF9591 is suitable for use in a variety of applications, including hands-free headsets, portable audio players, and other mobile audio applications. (For reference only)