JBL GX-A604 4-Channel Full Range Amplifier Review - Is It Worth the Price?
Welcome to our comprehensive review of the JBL GX-A604 4-Channel Full Range Amplifier! If you're in the market for an amplifier that delivers powerful and high-quality sound, then this is the product for you. Manufactured by Harman Kardon under the renowned JBL brand, this amplifier is designed to enhance your audio experience and take it to the next level. With its impressive features, including 60W RMS X 4 into 4-Ohm and built-in electronic crossover networks, the JBL GX-A604 is a top choice for car audio enthusiasts. Join us as we delve into the details of this amplifier and discover why it has garnered positive customer reviews.
Product Description
The JBL GX-A604 4-Channel Full Range Amplifier is a powerful and versatile amplifier that is perfect for enhancing the audio performance of your car's sound system. With its sleek design and impressive features, it is sure to impress any audiophile.
This amplifier delivers a maximum power output of 85 watts RMS per channel into a 2-ohm load, providing a clear and dynamic sound experience. It also offers 60 watts RMS per channel into a 4-ohm load, ensuring that your music sounds great no matter the impedance of your speakers.
One of the standout features of the JBL GX-A604 is its cast-aluminum heat sink. This heat sink effectively dissipates heat to prevent overheating and ensures that the amplifier operates at optimal performance levels even during long listening sessions. This not only prolongs the lifespan of the amplifier but also guarantees consistent and reliable performance.
The built-in electronic crossover networks of this amplifier allow you to fine-tune the audio output to suit your preferences. You can easily adjust the high-pass and low-pass filters, enabling you to optimize the sound for specific speakers and create a balanced and immersive listening experience.
Another noteworthy feature is the switchable bass boost. This feature enhances the low-frequency response, adding depth and richness to your music. Whether you enjoy booming bass or prefer a more subtle low-end, the JBL GX-A604 allows you to tailor the bass to your liking, ensuring that you get the perfect sound every time.
With its excellent performance, durable construction, and advanced features, the JBL GX-A604 4-Channel Full Range Amplifier is a top-notch choice for anyone looking to upgrade their car's audio system. Whether you're a casual listener or a true audiophile, this amplifier will undoubtedly elevate your listening experience to new heights.
Pros and Cons
Pros:
Versatile and powerful: The JBL GX-A604 4-Channel Full Range Amplifier is perfect for both car and boat audio systems. It can handle up to 4 speakers, making it suitable for larger setups, or even a combination of 2 speakers and a small subwoofer. With its 60-volt voltage, it delivers a clean and powerful sound that will enhance your audio experience.
Decent sound quality: While it may not be the absolute best amplifier on the market, the JBL GX-A604 still provides a very decent sound quality, especially when paired with the right speakers. Users have praised its ability to add layers of sound and enhance the audio output, making it a great option for music enthusiasts and audiophiles.
Reliable brand and manufacturer: JBL is a well-known and respected brand in the audio industry, and the GX-A604 amplifier is no exception. Manufactured by Harman Kardon, a subsidiary of Samsung Electronics, this amplifier ensures reliability, durability, and high-quality performance. You can trust that you're investing in a product that will last.
Cons:
Bulky design: Some users have mentioned that the JBL GX-A604 amplifier is a bit on the bulky side compared to other amplifiers in its price range. While this may not be a deal-breaker for everyone, it's worth considering if you have limited space in your vehicle or boat.
May require additional wiring: One potential drawback of this amplifier is that it requires RCA connections for proper installation. If your head unit does not have RCA outputs, you may need to use a spliced harness, which can affect the quality of the connection. This issue can be resolved by investing in a head unit with RCA outputs or using a high-quality spliced harness.
Mixed reviews on installation process: While many users have found the installation process to be straightforward, there are a few mixed reviews regarding the ease of installation. Some users with limited experience in car audio systems may find it challenging, especially if they encounter issues with the wiring or connections. However, with proper research and guidance, most users should be able to install this amplifier without major difficulties.
In conclusion, the JBL GX-A604 4-Channel Full Range Amplifier offers versatility, power, and decent sound quality. It is a reliable product from a reputable brand, making it a worthwhile investment for those looking to enhance their car or boat audio systems. However, potential buyers should consider the bulky design, the need for RCA connections, and the mixed reviews on the installation process before making their purchase decision.
Customer Reviews
The JBL GX-A604 4-Channel Full Range Amplifier has received a favorable response from customers, with an average rating of 4.5 out of 5 stars. Let's dive deeper into what customers have to say about this product.
Review 1: "I'm not a big car audio guy but I am a musician with years of professional time either behind the mic or behind the board. I had to do a makeover of t..." (4 stars)
Review 2: "Haven’t installed it yet but it looks great in the box🤣 👍🏽" (5 stars)
Review 3: "Great little 4-channel amp for 4 speakers in a car or boat. Would work well with 2 speakers and a small subwoofer as well." (5 stars)
Review 4: "This amplifier is not the best that I ever seen, but it's very decent when you spend the time to install it with the right speaker. It does and amazin..." (5 stars)
Review 5: "This is a decent 4 channel class ab amp for the price. Its a bit on the bulky side for the amount of power it puts out. Overall nice clean sound, a li..." (4 stars)
Review 6: "I can't give the whole review this time because my head unit sucks and has no RCAs so the connection is via a spliced harness and it is not the greate..." (3 stars)
Review 7: "This product works so beautifully it adds several layers of sound to my audio I love it can’t live without it now. It had to be broken in the heat is..." (5 stars)
Customers have generally been impressed with the performance and functionality of the JBL GX-A604 4-Channel Full Range Amplifier. Many appreciate its versatility, allowing it to be used in both cars and boats. The clean sound output and the ability to power multiple speakers have also been highlighted as positive aspects.
However, there have been a few mixed reviews. Some users have mentioned that the amplifier is a bit bulky compared to its power output. Additionally, one customer faced difficulties with the connection due to their head unit lacking RCAs. Despite these minor drawbacks, the majority of customers are satisfied with the amplifier's performance.
Overall, the JBL GX-A604 4-Channel Full Range Amplifier has garnered positive feedback from customers, showcasing its value for money and impressive sound quality.
Conclusion
The JBL GX-A604 4-Channel Full Range Amplifier is a solid choice for those looking to upgrade their car or boat audio system. With its impressive power output and versatile features, it offers a great value for the price.
One of the standout features of this amplifier is its power output. With 60W RMS x 4 into 4-Ohm and 85W RMS x 4 into 2-Ohm, it delivers a punchy and clear sound that will enhance your listening experience. The built-in electronic crossover networks and switchable bass boost further allow for customization and fine-tuning of the audio output.
The JBL GX-A604 also boasts a durable cast-aluminum heat sink, ensuring optimal performance and preventing overheating during extended use. This, coupled with its compact size, makes it suitable for installation in various vehicles and boats.
While the majority of buyers have been highly satisfied with the performance of this amplifier, there have been a few minor drawbacks mentioned. Some users have found it to be a bit bulky for its power output, and others have faced challenges with connectivity due to their specific head unit setup.
In conclusion, the JBL GX-A604 4-Channel Full Range Amplifier is a reliable and efficient option for upgrading your audio system. Its power output, versatile features, and durability make it a worthy investment. Despite a few minor drawbacks, it remains a popular choice among buyers. So, if you're looking to enhance your car or boat audio experience, the JBL GX-A604 is definitely worth considering.
Frequently Asked Questions
Q: Is the JBL GX-A604 4-Channel Full Range Amplifier suitable for both car and boat installations?
A: Yes, this amplifier is versatile and can be used for both car and boat installations. It is designed to provide great performance and sound quality for up to 4 speakers. Additionally, it can also work well with 2 speakers and a small subwoofer.
Q: What is the power output of the JBL GX-A604 4-Channel Full Range Amplifier?
A: The JBL GX-A604 4-Channel Full Range Amplifier delivers a decent amount of power for its price. It is a 4-channel class AB amplifier that can provide clean and powerful sound. While the exact power output is not specified, it is suitable for most car and boat audio systems.
Q: Is the JBL GX-A604 4-Channel Full Range Amplifier easy to install?
A: Yes, the JBL GX-A604 4-Channel Full Range Amplifier is relatively easy to install, especially if you have some experience with car or boat audio systems. It comes with clear instructions and the necessary mounting hardware. However, it is always recommended to seek professional installation if you are not familiar with car or boat audio installations.
Q: Can the JBL GX-A604 4-Channel Full Range Amplifier be used with aftermarket head units?
A: Yes, the JBL GX-A604 4-Channel Full Range Amplifier can be used with aftermarket head units. It has RCA inputs that allow for easy connection with compatible head units. However, if your head unit does not have RCA outputs, you may need to use a spliced harness for connection, which may require additional expertise for a proper installation.
Q: Does the JBL GX-A604 4-Channel Full Range Amplifier provide clean and clear sound?
A: Yes, the JBL GX-A604 4-Channel Full Range Amplifier is known for its clean and clear sound output. It is designed to minimize distortion and provide high-quality audio reproduction. Many users have praised its sound performance, especially when paired with the right speakers.
Q: What is the warranty coverage for the JBL GX-A604 4-Channel Full Range Amplifier?
A: The warranty coverage for the JBL GX-A604 4-Channel Full Range Amplifier may vary depending on the retailer and region. It is recommended to check with the seller or manufacturer for specific warranty details. However, JBL is known for providing reliable warranty support for their products.
Q: Can the JBL GX-A604 4-Channel Full Range Amplifier handle 60-volt input voltage?
A: The JBL GX-A604 4-Channel Full Range Amplifier is designed to handle a maximum voltage of 60 volts. This ensures that it can withstand the power demands of most car and boat audio systems without any issues.
