BUY HA1370 https://www.utsource.net/itm/p/982990.html

Description: The HA1370 is a ZIP-10 module manufactured by Hitachi. This module is a thin type power amplifier featuring high power and low distortion. Features: Power Output: 25W RMS into 4 Distortion: 0.1% Max. (1kHz, 25W into 4) Low Output Impedance: 0.08 Low Noise Level: -90dB Min. Operating Voltage: 7.0V to 11.0V Applications: The HA1370 is suitable for use in high power portable audio equipment such as car audio systems and personal audio players. It is also suitable for use in amplifier modules for instrument amplifiers and PA systems. (For reference only)