Power Acoustik :: NB-4 :: $25.14

Power Acoustik NB-4

Item# 24924

1" 250W Tweeter with 4 Mounting Options

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NB Tweeters

Utilizing Niobium, a rare magnet material, NB tweeters provide crystal clear highs. A built-in high-pass crossover prevents low frequencies from causing distortion, ensuring transparent detail. A lightweight, high sensitivity & low distortion Polypropylene dome allows accurate reproduction of high frequencies for an open sound stage, enhancing any audio system.


  • Niobium Rare Earth Ferroelectric Transducer Magnet
  • Polypropylene Diaphragm
  • Freq. Resp. 5kHz to 25Khz
  • Imp. 4 Ohm
  • Swivel/Surface/Angle Mount/Flush Mount
  • SPL 97 dB
  • Built in Crossover


  • Tweeter Size/Type 1" Piezo
  • Frequency Response 5kHz-25kHz
  • Tweeter Impedance 4 ohm
  • MAX Power Handling 250w
  • RMS Power Handling 125w
  • Tweeter Efficiency 97 dB
  • Diaphram Material Polypropylene
  • On-Board Crossover 6dB
  • Mounting Options Flush/Surface/
  • Angle/Swivel
  • Tweeter Mounting Depth 0.75"
  • Tweeter Cutout Diameter 1.625"
  • UPC: 709483023994
  • Weight: 0.6
  • Authorized Internet Dealer
*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 30 days from the original date of purchase with proper return authorization. After the 30 day time period, products must be returned to their original manufacturer for the remainder of the manufacturer's warranty period.

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   David Randall From Georgia
I bought these tweeters to replace a blown tweeter of a different (higher priced) brand. It sounds pretty decent as is, but would probably sound much better with a crossover network designed for that tweeter. I still give it an "A" for it's price range.

   RITSprez From Ayden N.C.

All I can say is wow!! my RITS member has these connected straight to his pioneer and they chirp so loud and clear i swear you can hear him coming up the street! Its realy nice when you can hear exact wording right over a 12" Memphis MOJO subwoofer at peak RMS!!