300W FM Amplifier [ FM300] Designed for FM radio transmitters, this amplifier incorporates microstrip technology and MOSFET transistor to enhance ruggedness and reliability. * 86-110MHz * 48 Volts * BLF278 MOSFET * Input/ Output 50 ohms * Pout 300W with a 2.5 to 3 watt input. * Low distortion Class B push-pull. * Compact size; LxWxH 4.0 x 2.0 x 1.5 inches