Kicker 51KSC4604 KS-Series 4x6 Coaxial Speakers

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84%
88%
Sound Quality
84%
Bass Response
90%
Installation Ease
87%
Fit in Vehicle
85%
Build Durability
80%
High-Frequency Clarity
91%
Overall Value
88%
Compactness/Size
86%
Compatibility with Factory Systems
74%
Volume at Maximum
82%
Customer Support
77%
Installation Instructions
More

Overview

The Kicker 51KSC4604 KS-Series 4x6 Coaxial Speakers are designed to deliver an impressive audio upgrade for your vehicle. These compact speakers combine high-quality sound with easy installation, making them an attractive choice for car audio enthusiasts. With a 4x6-inch coaxial design, these speakers can fit into a wide variety of vehicles with minimal modification. Whether you're replacing factory speakers or enhancing your car's sound system, these coaxial speakers provide a smooth blend of clear highs and deep bass, offering a significant improvement over stock options.

Features & Benefits

The Kicker KS-Series 4x6 speakers come equipped with 0.5-inch tweeters, ensuring crisp and detailed high-frequency reproduction. A durable polypropylene cone and tough rubber surrounds make these speakers highly reliable and long-lasting. The broad frequency response, spanning from 300 Hz to 20 kHz, ensures you experience a full range of sound, from the deepest bass to the sharpest highs. Additionally, these speakers feature a low mounting depth, allowing for simple installation in a variety of vehicles without requiring modifications to your car's interior.

Best For

These car audio speakers are perfect for users who are looking to upgrade their factory-installed sound system without the hassle of complex installation. Whether you're a car audio enthusiast seeking better sound quality or someone who simply wants easy-to-install speakers that fit well into your vehicle, these 4x6-inch speakers deliver impressive results. Their compact size makes them suitable for tight spaces, offering a convenient solution for drivers with limited installation options. If you prefer a high-quality audio experience but don’t want to sacrifice too much space, the Kicker KS-Series 4x6 speakers are a solid choice.

User Feedback

Users have been largely satisfied with the sound quality of these coaxial speakers, praising their ability to produce clear highs and deep bass, even for a compact 4x6 design. Installation is another highlight, with many reviewers commenting on how easily they fit into their vehicles, often with no modifications required. However, some users note that while the sound is great for most listening needs, it may not be sufficient for those seeking extremely high volumes or bass-heavy performance. Overall, these speakers offer a solid balance between performance and installation ease for everyday car audio upgrades.

#Coaxial Speakers
#Speakers
#Car Audio
#Car Electronics
#Car & Vehicle Electronics
#Electronics

Pros

  • These coaxial speakers deliver clear and balanced sound with good bass response, making them a solid upgrade over factory speakers.
  • Their compact 4x6-inch size allows for easy installation in most vehicles without requiring major modifications.
  • Many users find the high-frequency reproduction from the 0.5-inch tweeters to be crisp and clear.
  • The polypropylene cones and rubber surrounds offer long-lasting durability, even with regular use in various conditions.
  • The low mounting depth ensures a hassle-free installation, particularly in vehicles with tight spaces.
  • They are well-suited for those looking for a straightforward, user-friendly upgrade to their car audio system.

Cons

  • Some users mention that while the bass is adequate, it may not satisfy those seeking very deep or powerful low-end sound.
  • A few buyers report that the sound quality can start to degrade at higher volumes, making them less suitable for loud audio environments.
  • Installation may be tricky for vehicles with very specific or non-standard mounting requirements.
  • Users with high-end audio systems or those looking for extreme performance might find these speakers lacking in overall power.
  • The speakers may not deliver sufficient clarity for audiophiles who demand premium sound quality from their car audio setup.
  • While easy to install, some users noted that the speakers may not fit in all vehicles without requiring additional adapters.

Ratings

After analyzing verified reviews from multiple platforms and languages, we have aggregated user feedback on the Kicker 51KSC4604 KS-Series 4x6 Coaxial Speakers. The scores reflect a broad range of experiences, with both positive aspects like sound quality and installation ease, as well as some drawbacks. All spam, bot, incentivized, or low-quality feedback has been filtered out to ensure accurate results that represent real-world user experiences.

Sound Quality
88%
Many users rave about the clear and dynamic sound produced by these coaxial speakers. The bass response is well-regarded for its depth, especially considering their compact size. Audiophiles appreciate how well the sound fills smaller spaces without distortion, making it ideal for everyday listening in a variety of vehicles.
However, some users feel that the sound quality starts to degrade at higher volumes, especially in larger or more powerful setups. A few reviewers note that while the bass is solid, it doesn't hit as hard as expected when compared to larger, more expensive speakers.
Bass Response
84%
The bass performance in these speakers is a highlight for many, with users noting that they provide a surprisingly rich low-end for their size. Whether listening to music in a compact car or smaller spaces, these speakers manage to produce a clean, full bass without overpowering the overall sound quality.
That said, a few users mention that the bass isn't as punchy or deep as higher-end models, especially when compared to larger subwoofers or premium speakers. If you're looking for intense, room-shaking bass, these may not fully satisfy your expectations.
Installation Ease
90%
Most users find the installation process to be quick and straightforward, with minimal modifications required. The compact design and low mounting depth make these coaxial speakers a perfect fit in many vehicles without the need for professional help. Buyers appreciate the clear instructions and simple setup.
On the flip side, a few buyers encountered issues with the mounting depth not being as low as advertised, making the installation a bit more complicated than expected in some vehicle models. Some noted that additional adapters or tools were necessary to get them to fit properly.
Fit in Vehicle
87%
The speakers are generally praised for their compatibility with a wide range of vehicles, fitting seamlessly in many car audio systems. The compact 4x6-inch size makes them a great choice for tight spaces where larger speakers won't fit. Several users mention they are a perfect replacement for factory-installed speakers.
However, some users did report that, despite the compact size, they had to make minor adjustments to the mounting brackets or the speaker housing to ensure a snug fit. In some cases, the speaker mounting holes didn't align exactly with their vehicle's existing ones.
Build Durability
85%
The overall build quality is robust, with many users appreciating the durable polypropylene cones and the tough rubber surrounds. These materials help ensure that the speakers withstand long-term use, providing reliable sound over time even with regular exposure to vehicle vibrations and temperature changes.
However, a few users did mention concerns over long-term durability, with reports of the rubber surrounds potentially degrading after extended exposure to the elements, especially in warmer climates. A couple of users experienced wear earlier than expected.
High-Frequency Clarity
80%
20%
The 0.5-inch tweeters perform well in reproducing high frequencies, ensuring that vocals and treble notes come through clearly. Many users appreciate how the tweeters enhance the overall clarity of the sound, making it a good choice for those who enjoy crisp highs without being harsh or piercing.
However, a few users felt that the high-frequency response wasn't as sharp as expected, especially in more complex music or at higher volumes. Some noted that the treble could be a bit muddy at times, particularly when used in combination with certain amplifiers.
Overall Value
91%
These coaxial speakers are generally seen as a great value for money. Users feel that the performance they get, especially in terms of sound quality, installation ease, and durability, exceeds what they paid. Many appreciate that they offer good performance without the high price tag of premium brands.
However, a few buyers feel that while the value is great, they would prefer a slightly higher-end model for a few extra features like a better low-end response or higher wattage tolerance. Some also mentioned that they would have liked better bass clarity at full volume.
Compactness/Size
88%
The small 4x6-inch size is one of the main reasons users choose these speakers, as they fit easily into most vehicles without modification. This compact design allows car audio enthusiasts to upgrade their sound system without taking up too much space or requiring major changes to the vehicle's audio setup.
On the downside, a few users found that the compact size limited the range of sound compared to larger, more powerful speakers. While they provide solid output, they can't quite match the performance of bigger options in larger vehicles or high-power systems.
Compatibility with Factory Systems
86%
These speakers integrate well with factory-installed audio systems in most cars, delivering a noticeable sound upgrade without the need for major system modifications. Users appreciate that they can easily replace their original speakers and get better sound quality without adding complexity.
However, some buyers did mention that they struggled with compatibility in certain car models, particularly older vehicles or those with very specific audio systems. In these cases, additional adapters or professional installation were necessary.
Volume at Maximum
74%
26%
For their size, these speakers provide a decent volume output, especially when used at moderate levels. Many users enjoy the balanced sound that doesn't distort easily at regular listening levels, even with certain amplifiers.
Several users noted that these speakers do not perform well at maximum volume, with sound distortion becoming noticeable at higher levels. If you're looking for speakers that can handle extreme volume without compromising clarity, these may not meet those needs.
Customer Support
82%
18%
Many buyers report positive experiences with the manufacturer's customer service, particularly when needing assistance with installation issues or warranty claims. The support team is generally responsive and helpful, providing timely solutions for problems.
However, some users felt that the response time could be slower than expected, especially during peak seasons. A few mentioned that they had to follow up multiple times before receiving resolutions for their inquiries.
Installation Instructions
77%
23%
While installation is generally easy, the included instructions are considered sufficient by many users. They provide basic guidance on how to install the speakers, and most buyers feel they can figure out the rest on their own without too much trouble.
A few users found the installation instructions to be lacking, especially when it came to specific vehicle requirements. Some said that the instructions were too generic and didn't account for all models, which led to confusion during installation.

Suitable for:

The Kicker 51KSC4604 KS-Series 4x6 Coaxial Speakers are ideal for car audio enthusiasts who are looking to upgrade their factory-installed speakers without major modifications. The compact 4x6-inch size makes them a great choice for users with limited space in their vehicles, providing a solid sound boost without requiring extensive installation work. Those who prefer a balance of bass clarity and overall sound quality will appreciate these speakers, as they deliver decent low-end performance while maintaining clear highs. They're also well-suited for those who prioritize an easy installation process, with many buyers noting the straightforward setup even in tighter spaces.

Not suitable for:

These coaxial speakers may not be the best choice for users seeking extreme volume levels or heavy bass output. While they perform well in smaller vehicles and at moderate volumes, their sound quality starts to degrade when pushed to higher levels. Car owners looking for an intense, room-shaking bass experience or those using high-power amplifiers may find these speakers lacking. Additionally, users with older or highly specialized vehicles might face compatibility issues with the mounting depth, requiring additional tools or adapters for a proper fit.

Specifications

  • Speaker Type: Coaxial speaker design for integrated woofers and tweeters.
  • Woofer Size: 4x6 inches, providing a balanced mix of bass and midrange frequencies.
  • Tweeter Size: 0.5-inch tweeter for clear high-frequency reproduction.
  • Impedance: 4 ohms, compatible with most car audio systems and amplifiers.
  • Frequency Response: 300 Hz to 20 kHz, ensuring full-range sound with clear highs and deep lows.
  • Sensitivity: 85 dB, providing efficient sound output even with lower amplifier power.
  • Amplifier Power Range: Recommended for amplifiers with a power output between 15-50 watts.
  • Mounting Hole Diameter: 3-1/16 inches, designed to fit standard 4x6-inch speaker locations in most vehicles.
  • Top Mount Depth: 1-5/8 inches, ensuring a low-profile installation with minimal modification.
  • Bottom Mount Depth: 1-7/8 inches, suitable for vehicles with limited mounting space.
  • Durability: Polypropylene cone with rubber surround for long-lasting performance and resilience.
  • Mounting Depth: Low mounting depth for easy installation without the need for extensive modifications.
  • Design: Compact design for easy fit in most vehicles, even those with tight spaces.
  • Bass Response: Improved bass performance compared to standard factory speakers, offering better depth and clarity.
  • Installation: Designed for simple installation with minimal tools and modifications required.
  • Compatibility: Compatible with most aftermarket car audio systems and factory setups with 4x6-inch speaker mounts.
  • Brand: Manufactured by Kicker, a recognized leader in car audio products.
  • Application: Best suited for car audio enthusiasts looking to upgrade from factory-installed speakers.
  • Warranty: Typically comes with a standard manufacturer warranty, offering support for defective units.

FAQ

These 4x6-inch coaxial speakers are designed to deliver high-quality sound with clear highs and deep bass. They feature 0.5-inch tweeters for crisp high frequencies, durable polypropylene cones for longevity, and rubber surrounds for better sound performance and durability. Their compact design allows for easy installation in most vehicles.

The Kicker 51KSC4604 KS-Series 4x6 Coaxial Speakers are designed with a low mounting depth, making them easy to install without modifications in most vehicles. They fit standard 4x6-inch mounting holes, but in some cases, you may need additional adapters for specific vehicle models.

These speakers have a wide frequency response range of 300 Hz to 20 kHz, ensuring full-range sound reproduction with clear highs, mids, and deep bass for an improved listening experience in your vehicle.

Yes, these coaxial speakers can be used with most car audio systems. They are compatible with amplifiers that have a power output of 15-50 watts, making them versatile for various setups, whether you're upgrading from factory speakers or enhancing an existing system.

These coaxial speakers deliver superior sound quality with improved bass response and clear high frequencies compared to standard factory speakers. Their durable construction and low mounting depth also make them a great choice for easy installation without modifying your vehicle.

Yes, the Kicker KS-Series 4x6 speakers are built to last. They feature durable polypropylene cones and tough rubber surrounds, ensuring longevity and reliable performance even with regular use and exposure to varying temperatures and conditions in your vehicle.

In most cases, these 4x6 speakers will fit into standard 4x6-inch speaker locations without requiring modifications. However, certain vehicles with non-standard speaker sizes or mounting depths may need adapter rings or slight adjustments for a perfect fit.

While the Kicker 51KSC4604 KS-Series 4x6 speakers provide excellent sound clarity and bass at moderate volumes, they may not be the best choice for extreme volume levels. Some users report that the sound quality can degrade when played at very high volumes.

These speakers deliver solid bass performance for their size, with improved depth compared to standard factory speakers. However, they may not provide the deep, booming bass that larger subwoofers or more powerful audio systems can produce.

Before purchasing, make sure your vehicle can accommodate 4x6-inch speakers and check the mounting depth. If you're looking for a speaker that offers a balance of sound quality and easy installation, the Kicker 51KSC4604 KS-Series speakers are an excellent choice. However, if you need extreme bass or high-volume performance, you might need a larger speaker setup.