
( Brand: Jl Audio ), ( Type: Amp ), ( Manufacturer Part Number: HX2804 ), ( Universal Fitment: No )
Review JL AUDIO System Hx280/4amplifier 280 Watt 4-channel Tested Working
The JL Audio HX2804 is a powerful and versatile 4-channel amplifier that is designed to deliver outstanding audio performance. This amplifier is part of JL Audio's HX Series, which is known for its high-power output, advanced features, and exceptional sound quality.
The HX2804 is a Class D amplifier, which means it is highly efficient and can deliver maximum power without generating excessive heat. It has a continuous power output of 280 watts per channel at 2 ohms, and 140 watts per channel at 4 ohms. This makes it an ideal choice for powering a wide range of speakers, from compact component systems to high-end subwoofers.
One of the standout features of the HX2804 is its advanced Class D topology, which includes a custom-designed amplifier module and a high-current power supply. This combination allows the amplifier to deliver clean, distortion-free sound even at high volume levels. The amplifier also features JL Audio's NexD technology, which provides precise control over the amplifier's output and helps to ensure that it delivers consistent performance across a wide range of frequencies.
The HX2804 is also equipped with a number of advanced features that make it easy to integrate into a wide range of audio systems. It has a variable low-pass crossover with adjustable cutoff frequency, which allows you to customize the frequency response of your speakers. It also has a high-pass filter with adjustable cutoff frequency, which helps to reduce unwanted low-frequency noise in your system. The amplifier also features JL Audio's Smart EQ technology, which automatically adjusts the EQ settings to optimize the sound for your specific speakers.
The HX2804 is built to last, with a rugged aluminum chassis and high-quality components that are designed to withstand the rigors of heavy use. It also features JL Audio's Fail-Safe Protection circuitry, which monitors the amplifier's operating conditions and shuts it down if it detects any potential issues. This helps to protect the amplifier from damage and ensures that it continues to deliver high-quality sound for years to come.
In summary, the JL Audio HX2804 is a powerful and versatile 4-channel amplifier that is designed to deliver outstanding audio performance. Its advanced Class D topology, NexD technology, and custom-designed amplifier module provide precise control over the amplifier's output and help to ensure that it delivers clean, distortion-free sound. Its variable low-pass and high-pass filters, Smart EQ technology, and Fail-Safe Protection circuitry make it easy to integrate into a wide range of audio systems and help to ensure that it continues to perform at its best for years to come. If you're looking for a high-performance amplifier that can power your speakers to their full potential, the HX2804 is a great choice.
Pros of JL Audio HX2804/HX280 4-Channel Amplifier:1. High Power Output: The JL Audio HX2804/HX280 delivers a substantial power output of 280 watts RMS per channel, which is ideal for powering multiple speakers or subwoofers.
2. Advanced Class D Amplifier Technology: This amplifier employs advanced Class D amplifier technology, which provides excellent efficiency, reduced heat generation, and improved sound quality.
3. Improved Bass and Sound Quality: JL Audio's proprietary NexD technology ensures a flat frequency response, enhanced bass, and overall improved sound quality.
4. Advanced Protection Circuitry: The amp is equipped with advanced protection circuitry that safeguards the amplifier from overheating, over-voltage, short circuits, and other potential issues.
5. Versatile Configuration: The HX2804/HX280 can be bridged or configured in a 2-channel mode, offering flexibility in system configuration.
Cons of JL Audio HX2804/HX280 4-Channel Amplifier:1. Higher Price Point: Compared to some other 4-channel amplifiers, the JL Audio HX2804/HX280 is more expensive due to its advanced technology and high power output.
2. Size and Weight: At 13.6 inches long, 2.75 inches high, and 10.1 inches wide, this amplifier is larger and heavier than some other 4-channel amplifiers, which may be a disadvantage for those with limited space or weight capacity in their vehicle.
In conclusion, the JL Audio HX2804/HX280 4-channel amplifier is an excellent choice for those seeking a powerful and high-quality amplifier for their car audio system. Its advanced Class D technology, robust protection circuitry, and versatile configuration make it a standout option in the market. While its higher price point and larger size may be a drawback for some, the improved sound quality and bass performance it provides are well worth the investment for many audiophiles.
Recommendation: If you have the budget and the space, the JL Audio HX2804/HX280 4-channel amplifier is a great investment for your car audio system. Its powerful output, advanced technology, and improved sound quality will make your car audio experience truly exceptional.
part # hx2804 prices
- $59.95-$579.99
specifications scootnav:
- brand: Jl Audio
- type: Amp
- manufacturer part number: HX2804
- universal fitment: No
general scootnav:
- condition: Used
- Motorcycle Scooter Parts Accessories > Audio, Communication Navigation > Complete Audio Kits
returns scootnav:
- paid by: Buyer
- time: 30 Days
- policy: Returns Accepted
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- wallet: Apple-pay
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offer scootnav:
- options: Ship-to-home
- sold: 0
- availability: In Stock
- quantity: 1
- best offers: True
- started: September 18, 2024
shipping scootnav:
- service: FedEx Ground Economy
- transit: 3-8 Days
- class: Economy
- cost: $0.00
- carrier: FedEx
- type: Fixed
seller scootnav:
- rating: 100.0%
- # reviews: 54
Jl Audio HX2804 Is Similar To:
- Harley Davidson Mhx280/4 09-16 Road Glide Jl Audio 280/4 Amp (26.1% similar) $168.00–$345.00. (September 24th, 2025)

5 offers $59.95–$579.99 USD
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- Offer #3: $579.99 price + free delivery = $579.99* total.FREE SHIPPING
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