BUY LA5667 https://www.utsource.net/itm/p/1165081.html
Multifunction Multiple Voltage Regulator
The LA5667 is a ZIP-7 integrated circuit (IC) manufactured by SANYO. It is a dual-channel power amplifier designed for use in car audio systems. It has a maximum output power of 2 x 40W and a frequency response of 20 Hz to 20 kHz. It also features a low-noise pre-amplifier and a built-in mute circuit. The IC is designed to be used in a wide range of applications, including car audio systems, home audio systems, and portable audio systems. It is also suitable for use in other audio applications such as public address systems. (For reference only)