ROCKFORD FOSGATE 9144988000-01 Power Amplifier H18004 800.4

( Brand: Rockford Fosgate ), ( Model: H18004 ), ( Part Type: Amplifier ), ( Rms Power: 800w ), ( Country Of Origin: United States ), ( UPC: 914498800001 )

Review ROCKFORD FOSGATE Power Amplifier

The **Rockford Fosgate Power 800.4 H18004** is a high-performance, high-efficiency amplifier designed to deliver uncompromising power and clarity to your audio system, making it an ideal choice for audiophiles and car audio enthusiasts seeking superior sound quality and reliability. Part of Rockford Fosgate s renowned **Power 800.4** series, this amplifier is engineered with cutting-edge technology to maximize efficiency, minimize heat, and ensure long-lasting performance. Featuring a **4-channel, mono-block design**, the H18004 is built with four independent power stages, each dedicated to driving a single speaker, which significantly reduces crossover distortion and enhances sound precision. This mono-block architecture allows for a cleaner signal path and superior power delivery, ensuring that every nuance of your music is reproduced with remarkable accuracy and depth.

Under the hood, the **Power 800.4 H18004** is powered by **Rockford Fosgate s proprietary 4th Generation Class D technology**, which combines high efficiency with exceptional power output. This amplifier can deliver a staggering **800 watts RMS per channel** at 4 ohms and **1,200 watts RMS per channel** at 2 ohms, all while maintaining an impressive **90% efficiency rating**. This efficiency not only reduces heat buildup but also allows for a more compact and lightweight design, making installation easier without sacrificing performance. The amplifier is housed in a **durable, high-quality metal chassis** with robust mounting points and a sleek, professional appearance, ensuring it fits seamlessly into any audio setup, whether in a car, truck, or home theater system.

One of the standout features of the **Power 800.4 H18004** is its **versatile input options**, which include **RCA inputs, a preamp input, and a subwoofer output**, making it compatible with a wide range of audio sources. The amplifier also incorporates **Rockford Fosgate s patented PowerFlex technology**, which dynamically adjusts power output based on the load, ensuring optimal performance across different speaker impedances and preventing overheating. Additionally, the **Power 800.4 series** includes **built-in protection features**, such as thermal shutdown, short-circuit protection, and over-voltage protection, which safeguard the amplifier and your speakers from potential damage. The inclusion of a **remote turn-on circuit** further enhances convenience, allowing you to power the amplifier on and off via a separate control module, reducing wear on the main power switch.

For those who demand the highest level of sound quality, the **Power 800.4 H18004** is paired with **Rockford Fosgate s signature audio processing**, including **high-pass and low-pass filters** that can be adjusted to fine-tune the frequency response for your specific speakers and listening environment. The amplifier also features **a high-quality, low-noise power supply** and **precise analog circuitry**, ensuring that the signal remains clean and distortion-free from input to output. Whether you're running a **high-end component system** with premium speakers or a **full-range setup** with subwoofers, the H18004 provides the power, clarity, and reliability needed to bring your audio experience to life.

Built to withstand the rigors of demanding environments, the **Power 800.4 H18004** is constructed with **high-grade materials**, including **copper-clad power transformers** and **low-inductance capacitors**, which contribute to its exceptional durability and longevity. The amplifier s **compact yet robust design** makes it suitable for both **under-dash and under-seat installations**, while its **fan-assisted cooling system** ensures that it stays cool even during extended periods of heavy use. With a **warranty-backed performance** and a reputation for excellence, the Rockford Fosgate Power 800.4 H18004 is not just an amplifier it s a cornerstone of any serious audio system, delivering the power, precision, and reliability that audiophiles demand. Whether you're upgrading your car s sound system or building a high-performance home audio setup, the H18004 is a powerhouse that will elevate your listening experience to new heights.

The Rockford Fosgate Power 800.4 (model 9144988000-01) is a high-performance car audio amplifier designed for high-power applications, particularly in systems with four or more channels. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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1. **High Power Output:** The Power 800.4 delivers a robust 800 watts RMS per channel at 4 ohms (1,600 watts total for a four-channel configuration) and 1,200 watts RMS at 2 ohms (2,400 watms total). This makes it ideal for high-gain speakers, subwoofers, or systems requiring significant power.

2. **Versatile Channel Configurations:** It offers flexible channel options, including 1x4, 2x2, or 4x1 configurations. This versatility allows users to pair it with different speaker setups, from full-range systems to dedicated subwoofer applications.

3. **High-Quality Components:** The amplifier uses high-quality capacitors, MOSFETs, and other components to ensure durability and performance. The build quality is generally solid, with a metal chassis that helps with heat dissipation.

4. **Remote Turn-On and Gain Control:** The Power 800.4 features a remote turn-on and gain control, allowing for easy integration with car audio systems. This is particularly useful for systems where the amplifier is mounted away from the head unit.

5. **Protection Features:** It includes standard protection features such as thermal shutdown, short-circuit protection, and over-voltage protection. These features help prolong the amplifier's lifespan and protect connected components.

6. **Compatibility:** The amplifier is compatible with most modern car audio systems, including those with Bluetooth, Apple CarPlay, and Android Auto, as long as the head unit provides the necessary power and signal.

7. **Brand Reputation:** Rockford Fosgate is a well-known brand in the car audio industry, known for producing reliable and high-performance amplifiers. This brand reputation can provide peace of mind for buyers.

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1. **Size and Weight:** The Power 800.4 is a large and heavy amplifier, measuring approximately 14.5 x 11.5 x 6.5 inches and weighing around 25 pounds. This can make installation challenging, especially in vehicles with limited space or tight amplifier bays.

2. **Heat Dissipation:** While the metal chassis helps with heat dissipation, the high power output can still generate significant heat. Proper ventilation and installation are crucial to prevent overheating, which could lead to reduced performance or damage.

3. **Price:** The Power 800.4 is a premium amplifier, and its price reflects that. For users on a tighter budget, there may be more affordable alternatives that offer similar performance, though not always with the same build quality or features.

4. **Complex Installation:** Due to its size and power, installing this amplifier may require professional assistance, especially if you are not experienced with car audio systems. Incorrect installation can lead to poor performance or damage to the amplifier or other components.

5. **Power Draw:** The high power output means the amplifier will draw a significant amount of current from the vehicle's battery. This can strain the alternator and battery, particularly if the vehicle's electrical system is not robust enough. A high-quality battery and alternator may be necessary to support the amplifier's power demands.

6. **Limited Advanced Features:** Compared to some high-end amplifiers, the Power 800.4 lacks advanced features such as built-in DSP (Digital Signal Processing), Bluetooth streaming, or advanced equalization. Users looking for these features may need to invest in additional equipment.

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The Rockford Fosgate Power 800.4 is a powerful and reliable amplifier that excels in high-performance car audio applications. Its high power output, versatile channel configurations, and robust build quality make it a strong choice for enthusiasts who demand superior sound quality and durability. However, its size, weight, and cost may pose challenges for some users, particularly those with limited installation space or budget constraints. Additionally, the high power draw and the need for proper ventilation and installation cannot be overlooked.

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- Enthusiasts who prioritize high power output and plan to use it with high-gain speakers or subwoofers.

- Those with adequate space and ventilation in their vehicle for proper installation.

- Users who are willing to invest in a high-quality amplifier and may have the budget to accommodate its cost.

- Individuals who are comfortable with or can seek professional assistance for installation.

For users with more modest power requirements or those looking for a more compact or budget-friendly option, alternatives such as the Rockford Fosgate Power 1000.4, the JL Audio D1000.4, or other mid-range amplifiers may be more suitable. Additionally, if advanced features like DSP or Bluetooth are important, consider amplifiers that include these functionalities.

Ultimately, the Power 800.4 is an excellent choice for those who want a powerful, reliable, and high-performance amplifier but should be paired with a suitable vehicle setup to fully realize its potential.

Details:

Dusting off my shelves and clearing out some of prized car audio equipment. Works As Original Rockford Fosgate Power 800.4 is a high-performance audiophile 4-channel amplifier Class A/B - 100 X 4 Known for conservative power, delivering robust clean efficient power. Power Output: 100 watts RMS x 4-Ohms or 200 4 2-Ohms. Bridged Power: 400 watts RMS x 2 4-Ohms, making it powerful enough for component speakers or sub woofers.

Rockford Fosgate Power 800.4 Amplifier H18004Original Owner. Protection: Features NOMAD intelligent protection circuitry and MEHSA heat management to reduce MOSFET temperatures.

part #: h18004 prices

• $13.99-$1499.99

specifications caramplifieca:

• brand: Rockford Fosgate
• model: H18004
• part type: Amplifier
• rms power: 800w
• country of origin: United States
• upc: 914498800001

offer caramplifieca:

• started: March 24, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

seller caramplifieca:

• rating: 100.0%
• # reviews: 1
• city: Charlotte, North Carolina

shipping caramplifieca:

• transit: 4-11 Days
• cost: $19.26
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• type: Calculated

general caramplifieca:

• Vehicle Electronics GPS > Car Audio > Car Amplifiers
• condition: Used

payments caramplifieca:

• other
• credit card: Diners-club
• wallet: Paypal

returns caramplifieca:

• policy: No Returns

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