70W SSB linear HF Power Amplifier Board module For YAESU FT-817 KX3 Radio Transceiver Sound Speaker Modulo diy kit Amplificador 70W SSB linear HF Power Amplifier Board module For YAESU FT-817 KX3 Radio Transceiver Sound Speaker Modulo diy kit Amplificador. Sale price : $12.06 Category : Consumer Electronics