KL 503 HD amplifier can take input power up to 35 Watts, operates on AM-FM-SSB-CW mode, great for 10M ham band operation

• Frequency - 25-30 MHz
• Input energy/power - 12-14 A
• Input power - 1 - 35 W on all modes
• Output power - 300 W Max
• Max Bypass power (Amplifier off): 50W Max
• Mode - AM-FM-SSB-CW data etc (all narrowband mode)
• Fuse - 3x10 A
• Preamp - 26 dB
• Input VSWR:  1.1 - 1.5:1
• output VSWR max: 2.5:1
• Output power level - 6
• Electronic switch
• Inversion polarity protection
• Size - 170x295x62 mm