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Simple to use, hook up a 12vdc power source & a speaker capable of more then 20khz. Works to chase away the packs of coyote's coming up the wash & shutting up the neighbors dog.
Verified purchase: Yes | Condition: New
Nice unit when coupled with 12/15dc power supply and hi-frequency tweeters to make effective dog bark silencer. Liked the continous cycling tone and the frequency adjustment range. Coupled with a wireless AC power adapter makes a nice setup that works. Has a bright red power on LED indicator which is useful since you cant hear if it is on or not. German made so it has to be good. Takes a little more time to get shipped from Germany but worth it. Have bought 2 for 2 different setups. Recommended
Verified purchase: Yes | Condition: New
It seems to work for my dog issue so far. It does make a low frequency noise when it starts up which my neighbor might hear…I’m added more tweeters to get more of a load on it to see if that helps…it says you can use up to 5 piezo tweeters. The jury is still out I guess.
Verified purchase: Yes | Condition: New
The Ultrasonic Generator from Kemo went well in the device I made to keep the neighbors dogs from a fence line. The generator is of good quality, works as it should and is a compact design.
Verified purchase: Yes | Condition: New
I have 4 of these covering ALL directions for the neighbors barking dogs. Be sure to get the correct speakers for it and 12VDC power supply. Speakers need to be able to go ABOVE 20khz, I use piezo speakers. PYLEUSA Item# PAHT6 comes with 6 speakers. Keep the M048N right next to the speaker - NO long distance wiring between unit & speaker. You can vary the setting to just above audible for us & then the dogs hate it. Or you can turn it down to audible & it will pulsate & drive them away from you.
Verified purchase: Yes | Condition: New
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