2 pcs of LM1875T LM1875 IC AUDIO POWER AMPLIFIER 20W / Integrated Circuit - FREE SHIPPING Features: Thermal and Short-Circuit Protection Max Power Output x Channel: 30Wx1@8(Ohm) Output Type: 1-Channel & Mono, Voltage Supply: 16V~60V Type: Class AB Package/Case: TO-220-5 , RoHS: Yes