2.0HIFI dual channel with each channel output 10W; 90% high efficiency It uses PAM8610 chip which is 10W (per channel) D-level stereo audio amplifier With overcurrent / overheating / short circuit protection, so safe to use Low THD + N (0.1%) without filter; Small static current; Low energy consumption; Small heat generator Low EMI; With power off/noise cancellation function; Small noise generator trademark Reg.NO:013726393This board uses the PAM8610 chip, the PAM8610 chip is a 10W level D stereo audio amplifier (per channel).This board is protected against overcurrent, temperature and short circuit.Feature:Working: Class D Quiescent Current: 20mAEfficiency: 90%Rated power output: 10W +10W (8)Frequency response: 20Hz to 50KHzOperating voltage: DC7.5-15VRecommended supply voltage: 12V, 12VDC center PIN is +.PCB size: (40*40)mmNOTE:It is not acceptable to connect the L & R speaker outputs together.Package includes:< br/>1x Mini Amplifier BoardNote: The data is all measured manually, please allow 1-3cm error, due to the difference in light and temperature. display, there will be a certain color difference, the actual object received shall prevail.