BUY STK433-330 https://www.utsource.net/itm/p/9529453.html

SANYO) Description: The STK433-330 (HYB, SANYO) is a hybrid IC (Integrated Circuit) containing an amplifier and power supply circuit. It is designed for use in audio power amplifiers. Features: High power output: up to 330W Low distortion: 0.1% THD Low noise: -90dB High efficiency: up to 85% Low power consumption Compact size Applications: Car audio systems Home theater systems Professional audio systems Portable audio systems Musical instruments (For reference only)