PAM8610 Digital Audio Amplifier

From the shop's description

This plate with switching function, SW short, will turn off the power amplifier Working Mode: Class D (PWM modulation type) Chip Type: PAM8610 Power Range: DC 6V-15V (self-protection) Recommended Voltage: DC 12V(2A) Output Power: 10Wx2(8 ohm) 15Wx2(4 ohm) Frequency Response: 20HZ-15KHZ Static Current: 20MA (DC12V) SNR: 90 percent Recommended Speakers: 10-100W Input Impedance: 15K Output Impedance: 4-8 ohm PCB Size: 30 mm (Length) x 25 mm (width)