Review on 2pcs Waterproof Ultrasonic Transducer for Repelling Rats and Mosquitoes - ToToT 5120B Piezoelectric Ultrasonic Tweeter by Mona Kohkayne
One low power tweeter only
These are low power tweeters only. I'm pretty sure it can emit ultrasounds, but the maximum sensitivity seems to be around 4800Hz. The best thing about them is that they are cheap.
- Coaxial speaker
- Ok
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