Sound quality is very good and it can drive 4/6/8 ohm speakers. It has sufficient power output 2*100W. <br> <br> <strong>Features:</strong> <br> High power class D digital amplifier. <br> Sound quality is very good by using this module. <br> Two-channel stereo， 2*100W power output. <br> Applicable speaker impedance: 4/6/8 ohm(8 ohm is the best). <br> <br> <strong>Specifications:</strong> <br> Working Voltage: DC 5-26V <br> Efficiency: 90% <br> Recommended Power: 24V Voltage Output， Current above 5A  <br> Applicable Speaker Impedance: 4/6/8 ohm(8 ohm is the best) <br> Number of Channels: Two-channel Stereo <br> PCB Board Size: 90 * 62mm / 3.54 * 2.44in <br> Weight: 90g / 3.2oz <br> <br> <strong>Package List:</strong> <br> 1 * Digital Amplifier Board