SoundXtreme ST-603 6″ 3-Way Coaxial Car Audio Speakers

SoundXtreme ST-603 6″ 3-Way Coaxial Car Audio Speakers — image 1
SoundXtreme ST-603 6″ 3-Way Coaxial Car Audio Speakers — image 2
81%
19%
88%
Sound Clarity at High Volumes
90%
Ease of Installation
75%
Bass Performance
85%
Build Quality
91%
Value for Money
84%
Overall Sound Quality
82%
Sensitivity at Low Volumes
80%
Durability
87%
Compatibility with Stock Systems
79%
Aesthetics and Design
85%
Included Components (Wiring, Screws)
50%
Water Resistance
More

Overview

The SoundXtreme ST-603 6″ 3-Way Coaxial Car Audio Speakers offer a solid option for car audio enthusiasts looking for clear and dynamic sound. These 6-inch coaxial speakers are rated for up to 320 watts of peak power, providing a balanced audio experience across a broad frequency range. The durable construction features a polypropylene woofer and a PEI dome tweeter, both designed to last. Additionally, the inclusion of a 30mm super tweeter enhances high-frequency response, ensuring a crisp and clear sound profile for your car’s audio system.

Features & Benefits

These car audio speakers are designed to improve sound clarity with a full range of highs, mids, and bass. The rubber surround ensures flexibility and long-lasting performance, especially in high-demand conditions. Installation is straightforward thanks to the included wiring and screws, making it easy for users to upgrade their car’s sound system. The SoundXtreme ST-603 speakers excel in enhancing the overall sound quality of your vehicle’s audio, providing a rich, clear listening experience without the need for complex installation.

Best For

The SoundXtreme ST-603 speakers are perfect for car audio enthusiasts seeking an affordable, high-quality upgrade for their vehicle's sound system. These 3-way coaxial speakers cater to users looking for a balanced audio experience with clear highs, smooth mids, and punchy bass. They also suit those upgrading from factory-installed speakers who want better sound without breaking the bank. Compact yet powerful, these speakers are an ideal choice for drivers who value improved sound clarity but don't need professional-grade equipment.

User Feedback

Many users are impressed by the SoundXtreme ST-603’s clear and crisp sound, particularly at higher volumes, where it holds up well without distortion. Installation is generally easy, with users appreciating the inclusion of all necessary tools. However, some note that while the bass is good, it could be stronger for those who prefer deep, booming low-end sound. Overall, the speakers are praised for their value, with many finding them to be a solid choice for upgrading their car audio without a hefty investment.

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Pros

  • Easy to install with included wiring and screws, making it suitable for DIY users.
  • Balanced sound quality with clear highs, mids, and decent bass for the price.
  • Durable construction with a polypropylene woofer and rubber surround ensures long-lasting performance.
  • Compact design fits a variety of vehicles without taking up too much space.
  • Rated for up to 320 watts peak power, providing enough power for most car audio setups.
  • Many users report crisp sound even at higher volumes, making it ideal for regular listening in a car.

Cons

  • Bass could be stronger, especially for those who enjoy music with deep low-end frequencies.
  • Some users find the build quality to be good but not premium; could be a concern for heavy use.
  • Not water-resistant, which limits its suitability for outdoor or exposed installations.
  • Not suitable for audiophiles looking for a high-end bass experience or premium sound clarity.
  • Installation may require additional tools for certain vehicle setups, despite the included parts.
  • Lack of detailed documentation or guides may leave some users struggling with installation.

Ratings

After analyzing verified user reviews worldwide from various platforms and languages, we present the scores for the SoundXtreme ST-603 6″ 3-Way Coaxial Car Audio Speakers. All feedback has been carefully filtered to ensure authenticity, with spam, bot, and off-topic comments excluded. Both strengths and pain points are reflected in the scores, providing a balanced view of user experiences across diverse regions and use cases.

Sound Clarity at High Volumes
88%
Many users highlight the clear and crisp sound even at higher volumes. The balanced treble and midrange frequencies allow for a more immersive listening experience, particularly in louder settings. This makes the speakers ideal for those who enjoy vibrant sound without distortion at higher outputs.
Some users mention that while the sound is clear, it may lack the depth and punch in bass-heavy tracks when compared to other speakers in the same price range. For some, the sound may feel more flat than expected during intense low-frequency passages.
Ease of Installation
90%
The installation process is a standout feature for many users, with several reviewers noting that setup is quick and easy. The included wiring, screws, and user manual simplify the process, making these speakers a solid option for first-time installers or those upgrading their car audio system without professional help.
A few users reported some difficulty fitting the speakers in specific car models due to size or mounting constraints. While the installation is generally straightforward, some may require additional adapters or modifications, which could complicate the process slightly.
Bass Performance
75%
25%
The speakers offer a decent bass response for the price, especially considering their compact size. Some users find them suitable for general car audio needs, providing a balanced sound that meets expectations for non-bass-heavy genres like rock or pop.
For bass enthusiasts, the performance might fall short. Several users noted that the bass could be stronger and deeper, particularly during bass-heavy music genres like hip-hop or electronic music. The lack of subwoofer-like bass response could be a dealbreaker for those seeking deep low-end frequencies.
Build Quality
85%
Users appreciate the solid build quality of these speakers, especially considering their price. The durable polypropylene woofer and PEI dome tweeter are praised for their longevity, making these speakers a reliable choice for everyday use in various environmental conditions.
A few users pointed out that while the build quality is generally good, the materials feel lightweight, and some components may not feel as premium as higher-end options. Over time, some reviewers expressed concern about long-term durability, especially in vehicles exposed to extreme temperatures or moisture.
Value for Money
91%
Many buyers find that these speakers offer excellent value for their price. The combination of reliable sound quality, ease of installation, and solid build makes them an appealing option for car audio enthusiasts on a budget. The speakers provide a strong performance without the premium price tag, which is frequently highlighted in reviews.
While these speakers provide great value for the price, some users believe that there are slight trade-offs in terms of bass depth and overall sound depth compared to higher-end models. For those willing to invest a bit more, there are other options that provide more powerful bass or additional features.
Overall Sound Quality
84%
Users generally find the sound quality of these speakers to be impressive for their price range. The full range of highs, mids, and treble ensures that most listeners will enjoy a clear and well-balanced sound. The speakers are particularly appreciated by users who value overall clarity and consistency across various music genres.
Some users feel that the sound quality is not as dynamic or rich as they would like, particularly in comparison to more expensive options. While the speakers perform well across most frequencies, a few users noted that the midrange and bass could benefit from more depth and punch for a fuller listening experience.
Sensitivity at Low Volumes
82%
18%
For many users, the speakers perform well even at low volumes. This makes them a good choice for casual listening, such as when driving at low speeds or in quiet environments. The clarity remains intact, and the balance of frequencies doesn't suffer much at lower levels.
However, some users found that at lower volumes, the speakers lack a certain level of punch and presence. The sound may seem less vibrant for those who prefer a more dynamic listening experience even when not cranking up the volume.
Durability
80%
20%
The materials used in construction contribute to solid durability, which many users appreciate. The rubber surround provides flexibility and resilience, ensuring that the speakers can handle everyday wear and tear without issues. Users often mention they feel confident in the longevity of the speakers, especially for typical car environments.
Despite the overall good build, some users raised concerns about potential long-term wear, especially when exposed to extreme temperature changes or moisture. In particular, users in hot or humid climates noted that the rubber surround might degrade over time.
Compatibility with Stock Systems
87%
The speakers are generally compatible with most factory-installed car audio systems, making them an easy choice for those upgrading from stock speakers. Users appreciated that they could enhance their audio experience without needing to replace or upgrade their entire system.
A few users noted that while the speakers fit into most stock systems, they may not reach their full potential without additional audio equipment like an amplifier. Some buyers felt that the speakers could benefit from more power to drive their full capabilities, especially in larger vehicles.
Aesthetics and Design
79%
21%
Many users like the modern, sleek design of the speakers. The silver and black color scheme is appealing and can fit well with most car interiors, giving the speakers a clean and professional look without being overly flashy.
However, some users feel that the aesthetic design is fairly standard and lacks any standout features. For those looking for unique or visually striking speakers, these may not meet expectations, as the design is functional but not particularly eye-catching.
Included Components (Wiring, Screws)
85%
The inclusion of all necessary components, including wires, screws, and the user manual, is often praised. This makes the installation process seamless for users, ensuring that they have everything needed to get the speakers set up and working right away.
However, some users pointed out that the quality of the included wiring and screws could be improved. While functional, a few felt that the provided components were a bit basic compared to the rest of the speaker's build quality, leading to minor frustrations during installation.
Water Resistance
50%
50%
The speakers are designed for typical car environments, and while not water-resistant, they perform well in dry conditions, offering decent protection against dust and dirt.
The lack of water resistance is a major drawback for some users, particularly those who plan to install the speakers in open-air vehicles like convertibles or exposed to outdoor conditions. Without water protection, users worry about the speakers' longevity in adverse weather conditions.

Suitable for:

The SoundXtreme ST-603 6″ 3-Way Coaxial Car Audio Speakers are ideal for car audio enthusiasts looking for an affordable upgrade without compromising too much on sound quality. Users seeking a balanced audio experience, including crisp highs and clear midranges, will benefit from these speakers. They're a good fit for those upgrading their factory-installed car speakers to achieve better sound without the premium price tag. Additionally, people who prioritize ease of installation will appreciate the included wiring, screws, and simple setup process, making this product perfect for DIYers or first-time installers.

Not suitable for:

This product may not be the best option for users who prioritize deep bass performance, as the bass response is more balanced than extreme. Audiophiles or those who regularly listen to bass-heavy genres like hip-hop or EDM may find the sound lacking in low-end punch. Moreover, individuals who want speakers that can withstand extreme conditions, such as exposure to moisture or harsh weather, may be disappointed since these speakers lack water resistance. Additionally, users looking for a more premium build with high-end materials may find the overall durability and finish of these speakers somewhat lacking.

Specifications

  • Speaker Type: These are 6-inch 3-way coaxial speakers designed for car audio systems.
  • Peak Power: The speakers are rated for up to 320 watts of peak power.
  • Frequency Response: The speakers have a frequency response range of 55 Hz to 20,000 Hz.
  • Impedance: The impedance of these speakers is 4 Ohms.
  • Sensitivity: The sensitivity of the speakers is rated at 89 dB.
  • Woofer Material: The woofer is made from durable polypropylene material.
  • Tweeter Material: The tweeter is constructed from PEI (Polyetherimide) Dome.
  • Super Tweeter: The speakers include a 30mm super tweeter for enhanced high frequencies.
  • Surround Material: The surround is made from flexible and durable rubber.
  • Mounting Type: These speakers are designed for car mount installation.
  • Included Components: Each set includes the speaker, wire, screws, and a user manual.
  • Color: The speakers are available in a silver and black color scheme.
  • Dimensions: Each speaker has dimensions of 6.5″D x 6.5″W x 6.5″H.
  • Weight: The weight of each speaker is 3.58 lbs.
  • Water Resistance: These speakers do not have water resistance capabilities.
  • Installation Ease: The speakers are easy to install with basic tools and included wiring.
  • Bass Performance: The bass is balanced but may not be as strong as some high-end models.
  • Sound Clarity: The speakers offer improved clarity with a full range of highs, mids, and bass.
  • Durability: These speakers feature a robust construction with a polypropylene woofer and rubber surround.

FAQ

The SoundXtreme ST-603 speakers feature a 3-way coaxial design with a polypropylene woofer, PEI dome tweeter, and a 30mm super tweeter, providing a full range of highs, mids, and bass. This design allows for better sound clarity and balanced audio compared to typical 2-way speakers.

Installation is relatively straightforward, as the speakers come with all necessary components, including wiring and screws. Many users find it easy to install with basic tools, and the included user manual provides clear instructions to guide you through the process.

The SoundXtreme ST-603 speakers are designed to fit most standard car audio systems. However, it's important to check the speaker dimensions (6.5″D x 6.5″W x 6.5″H) and compatibility with your car's speaker mounts before installation.

These car audio speakers are rated for up to 320 watts of peak power, making them suitable for most car audio systems. This provides a good balance of power without overwhelming the system or causing damage.

Yes, the SoundXtreme ST-603 speakers perform well at higher volumes, maintaining clarity without significant distortion. Many users have praised the speakers for their crisp sound even when cranked up, making them a good option for those who enjoy loud music.

While the SoundXtreme ST-603 speakers offer decent bass, some users have noted that the bass may not be as deep or punchy as more specialized speakers. They are balanced, but those seeking extreme low-end performance might need a subwoofer for enhanced bass.

No, the SoundXtreme ST-603 speakers are not water-resistant. If you plan on installing them in an area exposed to moisture or outdoor elements, they may not hold up well in those conditions.

With proper installation and maintenance, the SoundXtreme ST-603 speakers are built to last for several years. Their durable construction, including a rubber surround and polypropylene woofer, ensures reliable performance over time, but exposure to extreme conditions can reduce their lifespan.

Yes, the SoundXtreme ST-603 speakers are a great upgrade from factory speakers. Their impedance (4 ohms) and sensitivity (89 dB) make them compatible with most factory audio systems, providing improved sound clarity without needing additional amplifiers.

If you experience installation difficulties, refer to the user manual included with the SoundXtreme ST-603 speakers, which offers clear guidance. Additionally, many online tutorials and forums provide step-by-step instructions. If needed, consult a professional installer for assistance.