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Earthquake Sound PR-BT90S Car/Pro Audio 4-inch Titanium Super Bullet Tweeter, 1.75" Voice Coil, 150W MAX (Pair), Silver
USD 75
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The Earthquake Sound BT90S Titanium Super Bullet Tweeter provides concert-level output capability with dynamic and detailed sound reproduction.
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What Stands Out
Product Details
- 4-inch professional-grade super tweeter effortlessly handles mid and high frequencies
- 300W MAX power handling with superior transient response and low distortion
- Features a high-temperature ferrofluid cooled voice coil, aluminum bullet, titanium diaphragm, controlled conical dispersion for reduced reflections, and die cast aluminum housing for long-lasting durability
- Replaceable 1.75” (44mm) high-temperature Kapton former voice coil with in-line 3.3µF/250V crossover capacitor filter included
- Frequency response: 3kHz–20kHz; Impedance: 4–8 Ohm; Sensitivity: 110dB
| Audio Output Mode | Stereo |
| Mounting Type | Flush Mount |
| Enclosure Material | Aluminum |
| Speaker Type | Tweeter |
| Additional Features | Super Bullet Tweeter |
| Antenna Location | Car Audio, Pro Audio |
| Color | Silver |
| Is Waterproof | FALSE |
| Control Method | Touch |
| Speaker Size | 4 Inches (10.2 cm) |
| Tweeter Diameter | 4 Inches (10.2 cm) |
| Specific Uses For Product | Car Stereo Systems, Professional Sound Reinforcement |
| MP3 player | No |
| Controller Type | Voice control |
| Unit Count | 2.0 Count |
| Item Dimensions D x W x H | 2.75"D x 4"W x 4"H (7 x 10.2 x 10.2 cm) |
| Item Weight | 2.76 Pounds (1.25 kg) |
| Power Source | Corded Electric |
| Brand | EARTHQUAKE |
| Model Number | PR-BT90S |
| Model Name | PR-BT90S |
| Built-In Media | (2) BT90S Bullet Tweeter, Product Manual, Warranty Card |
| Number of Items | 2 |
| UPC | 689759101710 |
| Manufacturer | Earthquake Sound |
| Speaker Maximum Output Power | 150 Watts |
| Frequency Response | 20000 Hz |
| Impedance | 8 Ohms |
| Connectivity Technology | Auxiliary, RCA |
| Wireless Technology | No Wireless Communication Technology |
What's in the box
(2) BT90S Bullet Tweeter
Product Manual
Warranty Card
Who Should Buy?
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Audio Enthusiasts
Perfect for users who prioritize high-quality sound and clarity in their car audio systems.
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Professional Installers
Ideal for sound system professionals seeking reliable and high-performance components for custom installations.
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Loud Music Lovers
Great choice for those who enjoy loud music and need tweeters that deliver high-output performance.
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Budget Shoppers
Those on a tight budget may find better value in more affordable tweeter options.
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Casual Listeners
Individuals who listen to audio casually may not need such high-performance tweeters.
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Compact Spaces
Not suitable for vehicles with limited installation space that require smaller speakers or tweeters.
Product Description
Customer Questions & Answers
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Question:
What are the key features of the Earthquake Sound PR-BT90S Tweeter?
Answer: The Earthquake Sound PR-BT90S Tweeter is designed with a 4-inch titanium dome, providing superior sound quality and clarity. The 1.75-inch voice coil allows for greater power handling, with a peak output of 150W MAX, making it suitable for various audio applications. Its lightweight construction contributes to faster response times, while the versatile design makes it ideal for car audio setups and professional audio environments. Whether you're enhancing your car's sound system or setting up a PA system, these tweeters deliver impressive sound performance. -
Question:
How do I install the Earthquake Sound PR-BT90S Tweeter?
Answer: Installing the Earthquake Sound PR-BT90S Tweeter requires a basic understanding of audio systems. Start by disconnecting the battery for safety. Remove your existing speakers if applicable, and mount the new tweeters in the desired location. Connect the positive and negative wires to the corresponding terminals on the tweeter. It's important to ensure correct polarity to avoid phase issues. This setup is great in vehicles or audio setups where high-frequency clarity is needed to complement other speakers. -
Question:
What type of audio systems is compatible with the Earthquake Sound PR-BT90S Tweeter?
Answer: The Earthquake Sound PR-BT90S Tweeter is compatible with most car audio systems, home audio setups, and professional PA systems. It can seamlessly integrate with various brands and configurations, enhancing the high-frequency range of any system. Users often pair it with subwoofers to achieve a balanced sound profile. Whether you are looking to upgrade your car’s sound system or assemble a powerful home theater, this tweeter effectively ensures that high notes are crisp and clear. -
Question:
What makes the titanium driver of the PR-BT90S superior?
Answer: The titanium driver of the PR-BT90S offers remarkable acoustic properties that ensure enhanced sound reproduction. Titanium is known for its rigidity and low mass, which translates to better sound detail at higher frequencies. This material also resists distortion, providing a clearer audio output. Users will notice the difference particularly in genres of music that are heavy on treble and intricate sound layers. This makes the tweeter a perfect choice for audiophiles and music enthusiasts looking for a refined audio experience. -
Question:
Can these tweeters be used for outdoor events?
Answer: Yes, the Earthquake Sound PR-BT90S Tweeter can be used effectively for outdoor events, provided they are mounted correctly and protected from direct elements. Their high power handling allows them to project sound over larger distances, making them suitable for outdoor parties, concerts, or sporting events. Proper amplification is necessary to ensure that they can deliver clear sound amidst external noise. Many users find them beneficial for achieving high-quality audio in dynamic settings. -
Question:
What is the sensitivity rating of the Earthquake Sound PR-BT90S Tweeter?
Answer: The sensitivity rating of the Earthquake Sound PR-BT90S Tweeter is typically around 98 dB, which indicates its efficiency in converting power to sound. A higher sensitivity rating means that the tweeter can produce louder sound levels with less power. This feature is particularly beneficial for those looking to maximize volume without investing in additional amplification. Users will appreciate the clear output and robust performance whether they are driving their tweeters with a car stereo or a dedicated amplifier. -
Question:
Do I need an external crossover for the PR-BT90S Tweeter?
Answer: While the Earthquake Sound PR-BT90S Tweeter can operate without an external crossover, using one is recommended to optimize performance. Crossovers help direct the appropriate frequencies to the tweeter, ensuring it only receives the high frequencies it is designed to handle. This prevents distortion and enhances overall sound clarity. Many users find that integrating a dedicated crossover with their audio system leads to significantly improved audio performance and longevity of the tweeters. -
Question:
What kind of enclosure is best for the PR-BT90S Tweeter?
Answer: The Earthquake Sound PR-BT90S Tweeter is designed to be used in either an open or enclosed design, depending on your audio setup. In an enclosed environment, it’s essential to pair it with a properly designed enclosure to enhance sound quality and efficiency. However, many users opt for surface mounting, where they can benefit from its high-frequency dispersion in open-air spaces. Whether you’re aiming for maximum clarity in a car or needing it for a stage performance, this tweeter is adaptable to various installation styles. -
Question:
Is there a break-in period for the Earthquake Sound PR-BT90S Tweeter?
Answer: Yes, like many high-performance audio devices, the Earthquake Sound PR-BT90S Tweeter benefits from a break-in period. It usually takes about 20-30 hours of gentle use for the materials to 'loosen up', allowing them to reach optimal performance. During this time, users might notice slight changes in sound quality, ultimately leading to clearer highs and better overall output. Gradual use during this period is recommended, especially when pairing with high-power amplifiers or for live settings. -
Question:
Where can I buy Earthquake Sound PR-BT90S Tweeter in Turks and Caicos?
Answer: You can buy the Earthquake Sound PR-BT90S Car/Pro Audio Tweeter from Ubuy in Turks and Caicos. Ubuy offers a reliable platform for purchasing electronic products, with options that include international shipping and various payment methods, catering to customer needs. Their wide selection and competitive offerings ensure that you receive quality products. For added convenience, check Ubuy for any promotions or offers that may enhance your buying experience.
EARTHQUAKE Tweeters PR-BT90S Editorial Review
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Important information
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USD 75
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Features & Benefits
- High output and high frequency response for exceptional audio quality.
- Perfect for both lower power systems and expanded coverage in higher power setups.
- Controlled conical dispersion reduces reflections for clearer sound.
- Durable die-cast aluminum housing ensures long-lasting performance.
- 300W MAX power handling with low distortion and superior transient response.
- Includes a replaceable high-temperature voice coil and crossover capacitor for easy maintenance.






