BUY DK112 https://www.utsource.net/itm/p/6487439.html
VOLTMETER 20VDC LCD PANEL MOUNT
The DK112 is a DIP8 IC from the DK series. It is a dual-channel audio amplifier designed for use in portable audio applications. It features low power consumption, low distortion, and high efficiency. It can be used in a variety of audio applications such as portable speakers, headphones, and car audio systems. It is also suitable for use in other applications such as medical equipment, industrial control systems, and consumer electronics. (For reference only)