Sell AIYIMA 1Pair 1969M FET Bile Power Amplifier Board 25W+25W 1969 IRFP448 Tube Amplifier Home Sound Theater DIY Super AMP best price

Product description: Product Name: 1969M FET bile power amplifier board IRFP448 large tube (disassemble) Model: 1969M Supply voltage: single DC12-35V Output power: 1-25W Power tube model: disassemble IRFP448 large field effect tube Large tube IRFP448 large tube version DC12V-35V power supply. Current 30-60MA adjustable, small current sound is very good, the current needs to increase the heat sink, please pay attention! !  Method of adjusting current: Adjust the "502 adjustable resistance" clockwise to adjust the static to between 10-60MA Package included:2Pcs