ITEM NAME:PAM8610 2*15W Dual Channel Stereo Class Digital Amplifier Board 12V EKX SOJ Descriptio n Technical Parameters: 1. Supply Voltage: DC 7V-15V 2. Output Power: 10w + 10w (8 Load) 3. Efficiency: 90% 4. Shutdown Current: 4uA 5. Quiescent Current; 20mA 6. SNR: 86% 7. Total Harmonic Distortion: 5W / 1KHz / 8 ---- 0.1% 8. Frequency Range: 20Hz-20KHz 9. Input Impedance: 15K 10. Output Impedance: 4-8 11. Amplifier Board Size: 30mm * 25mm * 2.5mm 12. Quantity: 1pc / 3pcs How to use: 1. The power supply voltage limit is 16.5V, do not use more than this voltage. 2. The power supply is recommended for 12v, 3A power supply filter better 3. 4-8 inch stereo speakers recommended. 4. Do not short-circuit the audio output to each other or shorted to ground. 5. Carefully check before electricity, ensure wiring is correct before electricity. Package Included: 3 * Digital Amplifier Board We offer you what you need! PAM8610 2*15W Dual Channel Stereo Class Digital Amplifier Board 12V.Amplifier Board Size: 30mm 25mm 2.5mm. 3 Digital Amplifier Board. Output Power: 10w + 10w (8 Load). We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.