5Pcs 12V Mini Hi-Fi PAM8610 2X10W Audio Stereo Amplifier Board Dual Channel<br>Feature:<br>Work: D ClassQuiescent current: 20mAOperating voltage: DC7.5 V- 15VRated output power: 10w + 10w (8&amp;Omega;)Frequency response: 20Hz to 50KHzRecommended supply voltage: 12V， the center PIN of 12VDC is &amp;quot;+&amp;quot;<br>Package included:<br>5 x Audio Stereo Amplifier Board