{"product_id":"skar-audio-ndx33-st-3-3-in-high-compression-neodymium-tweeters-clear","title":"Skar Audio NDX33-ST 3.3-in High Compression Neodymium Tweeters - Clear","description":"\u003cp\u003eOur review of the Skar Audio NDX33-ST finds these 3.3-in neodymium super tweeters best suited to listeners who want very high output and detailed top end from a compact driver. The biggest reason to consider them is sheer acoustic presence: with a rated sensitivity of 109 dB and a usable frequency range extending to 25 kHz, these tweeters deliver crisp, forward highs that cut through loud mixes. They are sold as a pair and offer high compression performance for small-enclosure installs or systems that need a powerful, efficient high-frequency solution.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.3-in high compression design:\u003c\/strong\u003e Provides focused high-frequency dispersion that helps vocals and cymbals stay clear in loud environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeodymium magnets:\u003c\/strong\u003e Lightweight magnets keep the drivers efficient while allowing for strong magnetic flux and high output from compact housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum dome:\u003c\/strong\u003e The rigid dome improves transient response for cleaner detail and reduced distortion at high SPLs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 W peak \/ 150 W RMS (pair):\u003c\/strong\u003e Delivers headroom for dynamic passages and short bursts without immediate thermal limiting when driven conservatively.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e109 dB sensitivity:\u003c\/strong\u003e High sensitivity makes these tweeters very efficient and easy to drive with most aftermarket amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide usable range:\u003c\/strong\u003e The 2.0 kHz to 25 kHz range covers essential high frequencies for music clarity and air.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese tweeters are ideal for car audio enthusiasts and installers who need small, high-output units to add clarity and presence to a system without large mounting space. They suit systems where a high compression design is desired to better project highs in noisy cabin environments or alongside powerful midbass drivers.\u003c\/p\u003e\n\u003cp\u003eListeners seeking a neutral, low-power studio reference tweeter or those who require weatherproof outdoor components should look elsewhere; the NDX33-ST is tuned for efficiency and SPL in vehicle or enclosed installs rather than absolute neutrality or environmental exposure.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVery high sensitivity and compression design produce loud, clear highs with minimal amplifier demand.\u003c\/li\u003e\n\u003cli\u003eNeodymium magnet and aluminum dome construction keep weight down while delivering solid transient response.\u003c\/li\u003e\n\u003cli\u003eGood value for the performance, with customers praising clarity and ease of installation.\u003c\/li\u003e\n\u003cli\u003ePair configuration simplifies matching and placement in car audio systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report mixed reliability or functionality issues, so performance may vary unit to unit.\u003c\/li\u003e\n\u003cli\u003eHigh compression voicing can be forward; listeners wanting a softer treble may find them too bright.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver size\u003c\/td\u003e\n\u003ctd\u003e3.3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003ePair of high compression super tweeters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (pair)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS power (pair)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e4 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e109 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable frequency range\u003c\/td\u003e\n\u003ctd\u003e2.0 kHz - 25 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor car audio builds that need compact, high-output tweeters, the NDX33-ST pair offers excellent value and audible clarity, making them a strong choice for anyone wanting prominent highs without large drivers. They shine when paired with capable midbass units and are particularly useful in systems that require efficient, powerful high-frequency drivers.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these tweeters easy to install?\u003c\/strong\u003e\u003cbr\u003eYes, customers report straightforward installation in common car mounting locations, and the pair configuration helps with placement symmetry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they need a separate amplifier?\u003c\/strong\u003e\u003cbr\u003eThe high 109 dB sensitivity means they are efficient and can be driven by many aftermarket amps, though a proper crossover and adequate power for headroom are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they handle low frequencies?\u003c\/strong\u003e\u003cbr\u003eNo, these are dedicated tweeters with a usable range starting around 2.0 kHz; pair them with midbass drivers or a woofer for full-range sound.\u003c\/p\u003e","brand":"Skar Audio","offers":[{"title":"Default Title","offer_id":48238059323611,"sku":"B07S6BQHNM","price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61aW8WT4-CL._AC_SL1500.jpg?v=1770837758","url":"https:\/\/gearmusthave.com\/products\/skar-audio-ndx33-st-3-3-in-high-compression-neodymium-tweeters-clear","provider":"GearMustHave","version":"1.0","type":"link"}