BUY STK3056 https://www.utsource.net/itm/p/1168761.html
7-Band,2-Channel Electronic Graphic Equalizer
The STK3056 is an integrated audio power amplifier manufactured by SANYO. It is a 3-channel audio power amplifier integrated circuit designed for use in audio equipment with a power output of 6 watts per channel. The STK3056 features superior low distortion and low noise levels, high efficiency, and high output power. It features a power output of 6 watts per channel into an 8-ohm load with less than 0.1% total harmonic distortion. It also has a high efficiency level of up to 86% and can operate from a single 11V to 15V power supply. Furthermore, the STK3056 is designed to operate with a low external part count, reducing the need for additional components. The STK3056 is suitable for a variety of applications such as portable speakers, active speakers, car audio, clock radios, and other audio systems. (For reference only)