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Power Acoustik NB-4 250-Watt 4-Way Mount Tweeter

4.2 out of 5 stars 150 customer reviews
| 19 answered questions

Price: $13.23 & FREE Shipping on orders over $49. Details
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Ships from and sold by Amazon.com. Gift-wrap available.
Standard Packaging
  • super tweeter
  • super tweeter
  • super tweeter
  • 20W Tweeter
  • 4-way mount tweeter
  • Niobium Rare Earth Ferroelectric Transducer Magnet
  • Polypropylene Diaphragm
  • Freq Resp: 5 Khz¿2 Khz
138 new from $10.23
$13.23 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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  • Power Acoustik NB-4 250-Watt 4-Way Mount Tweeter
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  • Boss Audio KIT2 8 Gauge Amplifier Installation Kit with High Performance RCA Interconnect and Speaker Wire
Total price: $31.21
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This item: Power Acoustik NB-4 250-Watt 4-Way Mount Tweeter
Customer Rating 4 out of 5 stars (150) 4 out of 5 stars (403) 3 out of 5 stars (200) 3 out of 5 stars (34)
Price $13.23 $7.30 $7.78 $8.94
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Best Connections Inc
Vehicle Speaker Size 3.5 Inch 6.75 inch 3.5 Inch 3.5 Inch
Wattage 250 Watts 100 Watts 800 Watts 500 Watts
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Product Description

Product Packaging: Standard Packaging

Power Acoustic

Product Information

Product Packaging:Standard Packaging

Technical Details

Item Weight 7.2 ounces
Product Dimensions 9 x 9 x 9 inches
Item model number NB4
Warranty ONE YEAR WARRANTY
Depth (inches) 15 inches
Weight 7.2 Ounces

Additional Information

ASIN B000P4ZKUG
Customer Reviews
4.2 out of 5 stars 150 customer reviews

4.2 out of 5 stars
Best Sellers Rank #4 in Electronics > Car Electronics > Car Audio > Speakers > Tweeters
#59 in Electronics > Car Electronics > Car Audio > Speakers > Coaxial Speakers
Shipping Weight 7.2 ounces (View shipping rates and policies)
Date First Available July 7, 2004

Warranty & Support

Warranty, Parts:Parts

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Package Type: Standard Packaging Verified Purchase
These are basically the poor man's high performance tweeters. They are designed with very high efficiency/sensitivity so that a professional installer can match it to any number of systems with varying SPLs. But the noobs are going to complain that it's too harsh, or too loud or sounds like tin, etc. If these tweeters are kept at three-quarter to half-power, depending on the system, they play beautifully.

But they need an additional series capacitor and possibly a series resistor for SPL matching to embarrass your rich audiophile friends. These tweeters just need an external metalized film capacitor of 1uF (microfarad), 1.5uF or 2uF depending on listening preferences. The 1uf will give it a smoother response. Do not not use electrolytic caps to avoid distortion (sound coloration). These tweeters may be too loud to match the low sensitivity of certain speaker systems, so they may need to be attenuated with a 10Watt non-inductive(for audio) 2-ohm resistor or a 4-ohm, maybe higher. Or buy a set of 2-ohm resistors and keep adding them in series to the tweeter until you get the desired decibel levels.

But hey, there's no such thing as a free lunch. Some people want everything served on a platter, so they should go and spend $50 to $300 on a pair of preconfigured-to-someone-else's-preference tweeters, instead. But if you buy tweeters that cost a little over thirteen dollars, be prepared to put some creative work into them.

Some people's ears cannot adjust to high levels of treble, especially mid-highs (roughly 5Khz to 10KHz), and they don't hear intricate details at high decibels, they hear very harsh tones instead.
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This tweeters are amazing. They are way very loud for their small size, plus they don't loose their fidelity. I definitely would recommend them to any one that want high sound for a cheap price.
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these are clear and can handle some power. i been pushing them hard for couple months now. buy these or the nb-2's. both are great.
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By Green on June 2, 2011
Package Type: Standard Packaging Verified Purchase
If ur looking for good all around tweeters for a low price these r the ones. Low price n greate sound they r very loud. I would recomend this product to every one in search of tweeters for a low price.
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By Dave C on October 13, 2012
Package Type: Standard Packaging Verified Purchase
One reviewer suggested attaching a set of components or caps to make these tweeters work correctly. I have tried every variation of proper mf. cap to try to set these straight. The sound changes, but nothing stops the incredibly awful hum and distortion these put out. The second you unplug them, everything sounds better again.
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These tweeter deliver amazing sound and they almost cost nothing. If you looking for great crisp sound production this is it. These tweeter have been a great addition to my car audio system. Recommend this anybody looking for great sound for very low price.
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By oscar on September 16, 2011
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these sound way louder and better than my pioneer tweeters and these are not even half the price must buyy!!
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Ive had these for a month and what can i say........ They are about what i expected. They are not AWFUL BUT I would recommend better tweeters. The tweeter is a little too harsh for me. It is loud but the quality at high volumes for me just is not good enough. At low volumes they perform alright but i seldomly enjoy my music at lower volumes. I bought these because I try out tweeters all the time and figured i had a few bucks to waste. Stop-gap tweeters for me, Maybe OK for U? But I would not recommend them as tweeters for a finished stereo build.

3.5/5
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