SMAKN&reg; PAM8610 20Wx2 Class-D Audio Amplifier Board Product Name: PAM8610 digital amplifier board. Goods Voltage: DC DC6V - 15V (recommended 12V2A above). Product power: Rated 10W + 10W (8) 20W + 20W (4). Frequency response: 20Hz to 50KHz. Quiescent Current: 20ma.