Looking for a high frequency amplifier

I’m looking for a high frequency amplifier that has a frequency range above 150 kilohertz. I want to investigate using high frequency noises to scare off different Insects. I have been using a tone generator To produce these tones with crown D75 power amplifier. But recently I blew that amplifier up. After looking for a while the only thing I could come up with is [this]

I don’t know anything about this subject, but I’ll ask my entomologist buddy if he knows about the subject. I’m curious, what bugs are you trying to influence?

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