The single chip has 3D surround sound and the integration of bandpass filter 2.1 channel function

Main Features:
The output power (5V power supply): 5W (2 load) + 3W x 2 (4 load)
Working voltage: DC 2.5 - 5.5V
Excellent all bandwidth EMI suppression ability
Excellent “power on, power off” noise suppression
Up to 90 percent of efficiency
High PSRR: -80dB (217Hz)
Over current protection, overheating protection, undervoltage protection