Kicker 49ST4TW Street Series 1.5" 50W RMS (100W Peak Power Handling) at 4 Ohms, Aluminum Dome Bullet Tweeter (Engineered for High-SPL Competition)
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What's Inside?
- • 1.5" Street Series Aluminum Dome Bullet Tweeter
- • (1) ST4TW Tweeter
- • Round threaded mounting flange (installed)
- • Square threaded mounting flange
- • Threaded backing nut (installed)
- • Capacitor (in-line crossover)
- • Resistor
- • (4) 1-1/8" Screws (3mm Allen head)
- • Template
- • Owner's Manual
Why Choose Kicker 49ST4TW Car Tweeters?
Competition-Grade Horn Tweeter Power
Experience powerful, competition-level sound with this horn-loaded aluminum diaphragm tweeter that delivers unmatched efficiency and clarity. Designed for extreme output, it ensures every high note cuts through with precision and impact. Perfect for SPL enthusiasts, this single-unit PA-style tweeter turns your system into a true powerhouse of performance.
Crystal-Clear Vocal Precision
Bring your music to life with crystal-clear vocals that perfectly balance powerful, high-output bass. Enjoy flexible installation with both front and rear mount options to fit your setup seamlessly. With sleek trim bezel choices, you can customize your system for both performance and style.
Reliable Connection & Clean Sound
Enjoy effortless installation with spring-loaded terminals that securely accept 16 AWG wire for a reliable connection. Experience clean, precise sound thanks to the built-in 6dB in-line crossover. Plus, with a field-replaceable voice-coil assembly, maintenance and upgrades are easier than ever.
Frequently Asked Questions (FAQ)
- • Can I use these tweeters with my factory car stereo?
Yes, they can work with many factory head units when installed properly. An aftermarket amplifier can further improve clarity and dynamic range.
- • Why do the highs sound too sharp after installation?
This is usually caused by aggressive EQ settings or the tweeters being aimed directly at the listener. Adjusting the equalizer or changing the mounting angle often produces a smoother sound.
- • Do these tweeters need a crossover, or can I wire them straight to my amp?
These should always be run through a crossover or capacitor to block low frequencies, since sending a full-range signal directly can blow the tweeter almost instantly.
- • Why is one tweeter quieter than the other?
This is commonly caused by loose wiring, incorrect polarity, or a faulty connection. Inspecting the wiring and crossover connections usually resolves the issue.
- • Where is the best place to mount these tweeters?
Most installers recommend the factory sail panels or A-pillars for optimal sound staging. Proper placement improves stereo imaging and listening accuracy.
- • Can I flush-mount these, or do they only work as surface-mount pods?
These tweeters are versatile and can be installed either flush-mounted into a panel or used with the included surface-mount pod for angled placement. Flush mounting typically gives a cleaner factory look but requires more cutting and fabrication.
- • Why do the tweeters distort when the volume is high?
Distortion is often caused by amplifier clipping or improper gain settings. Proper tuning helps maintain clean, detailed highs at louder listening levels.
- • Can I install these tweeters myself?
Yes, many DIY enthusiasts install them with basic hand tools and careful wiring. Following the installation instructions helps ensure reliable performance.
- • Will these improve vocal clarity and instrument detail?
Yes, upgraded tweeters reproduce high frequencies more accurately than most factory speakers. Many users notice clearer vocals, brighter cymbals, and improved instrument separation.
- • Will these tweeters overpower my factory door speakers?
Not if properly leveled — tweeters are designed to handle only the highest frequencies while your mids or midbass handle the rest, so overall volume balance depends on your gain and crossover settings.
- Diameter : 1.5 Inch
- Sensitivity : 108 dB
- Frequency Response : 3000-20000 Hz
- Peak Power Handling : 100 Watts
- RMS Power Handling : 50 Watts
Features:
- Extremely efficient, horn-loaded aluminum diaphragm for extreme output
- Single-unit, PA-style tweeter perfect for competition-level SPL systems
- Voiced for clear vocals to match with high-output bass
- Includes front or rear mount options, in addition to trim bezel options
- Spring-loaded terminals accept 16 AWG wire
- In-line 6dB crossover
- Field-replaceable voice-coil assembly available (ST3RK/ST4RK)
Specifications:
- Single Tweeter: 1.5”
- Dome Material: Aluminum
- Design: Bullet
- Impedance [Ohms]: 4
- Recommended Amp Power [watts RMS]: 15-50
- Peak Power Handling [watts]: 100
- Frequency Response [Hz]: 3k-20k
- Sensitivity [1W, 1m]: 108
- In-Line Crossover [dB]: 6, High-Pass
- Mounting Depth: 1-1/4”
- Mounting Diameter: 2-7/8”
- Thread Length: 1-3/16”
- Thread Diameter: 1-7/8”
- UPC: 713034020196
- Weight: 1.55
- Authorized Internet Dealer
Warranty: 2 Year(s) 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 2 Year(s) from the original date of purchase with proper return authorization.
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These tweeters will surely pierce through your ears if you push dem too hard. I love how it blends with the mids and bass at the right amount of volume but its great for SPL setups too if you're into that.
