BUY STK401-090 https://www.utsource.net/itm/p/255217.html
AF Power Amplifier Split Power Supply 50 W + 50 W min, THD = 0.4%
Description: STK401-090 is a SIP-ZIP type power amplifier module manufactured by Sanyo. It is a 2-channel audio power amplifier module with built-in protection circuits. Features: 2-channel audio power amplifier module Built-in protection circuits Low distortion High efficiency Low noise High output power High reliability Applications: Home audio systems Car audio systems Professional audio systems Portable audio systems Musical instruments (For reference only)