BUY TDA7493 https://www.utsource.net/itm/p/1881157.html
3-watt + 3-watt dual BTL class-D audio amplifier
The TDA7493 is a dual-channel BTL class-D audio amplifier IC from STMicroelectronics. It is designed for use in portable audio applications such as mobile phones, portable media players, and other audio applications. Features: * High efficiency: up to 90% * Low quiescent current: 3.5mA * Low distortion: 0.02% THD+N * Low noise: -90dB * Low EMI * Short-circuit protection * Thermal shutdown Applications: * Portable media players * Mobile phones * Portable audio systems * Portable speakers * Automotive audio systems (For reference only)