Will these work for with a amp and frequency generator as a sound mosquito or anti dog and kid device ?

Yes this style tweeter(piezo) is exactly what you need to use with the high-frequency sound generator

Is the range 4KHz to 20KHz? I dont exactly know what 4K is.

That is the frequency range - 4,000 Hz to 20,000 Hz.

What wattage does your radio have ? These tweeters are 30watt I'm just thinking how can they aren't blown yet my receiver is 300watts. Would they hold

I have a Kenwood kr-v7040 house receiver it's 100 watts per channel and a Pioneer equalizer on the front speakers and the tweeters are fine but I would not recommend them being power at a hundred watts per Channel everyday and when I say 100 Watts I mean for all three or four speakers including a woofer they are not the best tweeters but they are decent I would give them about a 6 out of 10 you get what you pay for! always remember that. customer for Life WF

Can it be use for cars or guitars speakers ?

They can be used for car,guitar or house speaker as you see in the ad it says 4 to 8 ohm Independence that means it is capable of blending with either 4 to 8 ohms but all tweeters what's parties that are not the same only these type! customer for Life WF

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Nippon America 4 Pair of 3.25" x 3.25" Piezo Tweeter Element DJ Speaker Car Audio Square Single Super Horn NTX-1004PZ

Nippon America 4 Pair of 3.25" x 3.25" Piezo Tweeter Element DJ Speaker Car Audio Square Single Super Horn NTX-1004PZ

Product ID: 10272350

Details

Audio Output Mode
Mono
Brand
Nippon America
Connectivity Technology
Wired
Frequency Response
20000 hertz
Speaker Maximum Output Power
30 watts

⚡4 - 8 Ohm Impedance

🎶4K - 20KHz Frequency

🔊30W Peak Power

Description

🎤 Elevate Your Audio Game!

DJ READY DESIGN - Perfect for car audio systems or DJ setups, ensuring your beats hit just right.
UNLEASH THE SOUND - Experience 30 watts of peak power for an audio experience that resonates.
PRECISION PERFORMANCE - High-quality tweeters deliver immediate and precise response to audio transients.
UNIVERSAL COMPATIBILITY - No crossover needed—compatible with any impedance for hassle-free setup.
CRYSTAL CLEAR FREQUENCIES - Enjoy a wide frequency range from 4K to 20KHz for pristine sound clarity.

The Nippon America NTX-1004PZ is a set of four high-performance piezo tweeter elements designed for DJ and car audio applications. With a peak power of 30 watts each and a frequency response of 4K to 20KHz, these tweeters ensure clear and powerful sound reproduction. Their compatibility with various impedances and no need for a crossover make them an ideal choice for any audio enthusiast.

Specifications

ASIN	B00Q71VEW4
Additional Features	Lightweight
Antenna Location	Construction,Car
Audio Driver Type	Piezoelectric Driver
Audio Output Mode	Mono
Brand	Nippon America
Color	Black
Compatible Devices	Automotive, Pro Audio
Connectivity Protocol	Ethernet
Connectivity Technology	Wired
Controller Type	Universal
Customer Package Type	Standard Packaging
Customer Reviews	4.3 4.3 out of 5 stars (343)
Enclosure Material	Plastic
Frequency Response	20000 hertz
Impedance	8 ohm
Is Waterproof	False
Item Dimensions D x W x H	10"D x 4"W x 7"H
Item Weight	13.76 ounces
Manufacturer	Nippon America
Model Name	NTX-1004PZ
Model Number	B00Q71VEW4
Mounting Type	Car Mount,Ceiling Mount
Number of Audio Channels	4
Power Source	Corded Electric
Speaker Maximum Output Power	30 watts
Speaker Size	8 inches
Speaker Type	Tweeter
Specific Uses For Product	For Music Players
UPC	634753625298
Warranty Type	Limited

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