More from Amazon.com : http://www.amazon.com/gp/product/B00C4P37B8?tag=thefatkidin06-20 <br /> <br />DROK? TDA8920 HiFi Digital Power Amplifier OCL 2-channel 80W*2 Ampli BTL Mono 160W Stereo Audio <br /> <br />Module Name digital amplifier board <br />Product chipTDA8920BTH <br />Chip efficiency exceed 90 <br />Operating voltage Dual 15V - 27V Recommend voltage 20V - 25V <br />Maximum output power OCL 80Wx2 4ohm 27V BTL 160Wx1 8ohm 27V
