Cheap And Discounts LJM L150W Class AB DC +/- 45V 200W8R (+-60V) 400W 4R (+-60V) MONO Amplifier Finished Board 200W MOSFET IRFP250 FET Wholesale. Buy Directly From Merchant SupoTechnology Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.