Full-effect transistor output (three pairs of imported from Germany IRFP240 IRFP9240). 1pair Dual Assembled L15 IRFP240 IRFP9240 Power Amplifier Board 150W 8R/300W 4R w Heatsink. Power: 150W 8R, 300W 4R, 600W 2R.
eBay