AVIONIXX CXA-820 High Performance Car Audio Amplifier Cxa 4-CHANNEL 820W

( Brand: Avionixx ), ( Manufacturer Part Number: CXA-820 ), ( Part Type: Amplifier System ), ( Rms Power: 820w )

Review AVIONIXX Avionix Cxa 820 4-channel 820w Rms High Performance Car Audio Amplifier System

The **Avionixx CXA-820** is a high-performance, four-channel car audio amplifier designed to deliver exceptional sound quality and reliability for enthusiasts demanding the best in mobile audio. Engineered with a robust **820-watt peak power output** (100 watts RMS per channel at 4 ohms, bridged to 200 watts RMS per channel at 2 ohms), this amplifier effortlessly powers even the most demanding speaker setups, including high-efficiency components and high-gain tweeters, without compromising clarity or dynamics. Built around **four high-current MOSFET transistors**, the CXA-820 ensures clean, distortion-free amplification across the entire frequency spectrum, from deep bass to crisp highs, making it ideal for both two-channel and four-channel speaker configurations. Its **bridgeable design** allows users to pair two channels into a single high-power output, doubling the output to 200 watts RMS at 2 ohms for enhanced bass performance when paired with a subwoofer or high-power coaxial speakers.

The **CXA-820** features a **fully digital signal processing system** with **Avionixx s proprietary DSP (Digital Signal Processing)**, which includes advanced features like **phase correction, crossover filtering, and dynamic EQ** to optimize sound quality and minimize phase cancellation between speakers. This ensures a cohesive, immersive listening experience with tight bass response, extended high-frequency detail, and a balanced midrange perfect for both music and movie audio. The amplifier also incorporates **Avionixx s patented "Auto-Level" technology**, which automatically adjusts gain settings to prevent clipping while maximizing power delivery, ensuring consistent performance regardless of input source or speaker sensitivity.

Built with **high-quality components and rugged construction**, the CXA-820 is designed to withstand the demands of automotive environments. Its **heatsink is constructed from high-grade aluminum** with a **large surface area** and **efficient cooling fins** to dissipate heat quickly, preventing overheating even during prolonged high-power sessions. The amplifier is **fully sealed against dust, moisture, and vibration**, making it ideal for installation in harsh conditions, while its **durable metal chassis** provides structural integrity and protection against road noise and mechanical stress. Additionally, the **CXA-820** includes **remote turn-on functionality**, allowing it to power up automatically when the car s ignition is engaged, and features **low-voltage protection** to safeguard against power fluctuations.

For connectivity, the **CXA-820** offers **multiple input options**, including **RCA line-level inputs, a preamp output, and a subwoofer output**, making it versatile for integration with most car audio systems. Its **high-quality RCA jacks** ensure clean signal transmission with minimal interference, while the **adjustable gain controls** allow for precise matching with different head units and speaker sensitivities. The amplifier also includes **a built-in 12V DC power output**, enabling the powering of additional accessories like LED lighting or other low-current devices. With its **user-friendly controls**, including **volume, bass, treble, and balance adjustments**, the CXA-820 provides fine-tuning capabilities for customizing sound to personal preferences.

Safety and reliability are paramount in the **CXA-820**, which includes **overcurrent protection, short-circuit protection, and thermal shutdown** to prevent damage to both the amplifier and connected components. The **fuse block** is conveniently located on the rear panel for easy access, ensuring quick troubleshooting in case of power surges. Weighing in at a compact yet sturdy **10.5 x 7.5 x 3.5 inches**, the CXA-820 is designed for easy installation in tight spaces, whether in the trunk, under the seat, or behind the rear deck. Its **clean, minimalist design** with **metallic accents** not only enhances its aesthetic appeal but also reinforces its premium build quality.

Whether you're upgrading a stock car audio system or building a high-end custom installation, the **Avionixx CXA-820** is a powerhouse amplifier that combines **raw performance, advanced digital processing, and rugged durability** to deliver an unmatched listening experience. With its **high power output, precise sound tuning, and reliable construction**, it stands as a top-tier choice for audiophiles and car audio enthusiasts who refuse to compromise on quality.

**Pros and Cons of the Avionix CXA-820 (4-Channel, 820W High-Performance Car Audio Amplifier)**

### **Pros**

1. **High Power Output** The CXA-820 delivers a peak of 820 watts (410 watts RMS per channel at 4 ohms) and 1,040 watts (520 watms RMS at 2 ohms), making it suitable for high-performance car audio setups, especially with efficient speakers or subwoofers.

2. **High-End Sound Quality** Avionix is known for its premium audio components, and this amplifier is designed to minimize distortion while delivering clear, detailed sound across the frequency spectrum. It features a high-pass filter for the front channels to enhance bass separation.

3. **Remote Turn-On (RTO) Capability** The amplifier can be turned on remotely via a signal from the head unit, reducing power draw when idle and improving efficiency.

4. **Low Distortion Performance** With a total harmonic distortion (THD) of less than 0.05% at full power, it ensures clean and accurate sound reproduction, even at high volumes.

5. **Durable Construction** The amplifier is built with high-quality materials, including a robust metal chassis and heat sinks, which help with long-term reliability and heat dissipation.

6. **Compatibility with High-Efficiency Loads** Its ability to drive low-impedance loads (down to 2 ohms) makes it versatile for modern high-efficiency speakers and subwoofers.

7. **Easy Installation** Avionix amplifiers are generally user-friendly, with clear wiring diagrams and secure mounting options. The CXA-820 includes a remote turn-on output for head unit integration.

8. **Warranty and Support** Avionix offers a solid warranty (typically 2 years) and reliable customer support, which is important for high-end audio equipment.

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### **Cons**

1. **High Price Point** As a premium amplifier, the CXA-820 is more expensive than mid-range alternatives. The cost may be a barrier for budget-conscious buyers.

2. **Power Consumption** While it has RTO, the amplifier still draws significant current when powered on, which may require a high-capacity battery or alternator upgrade in some vehicles.

3. **Size and Weight** The amplifier is relatively large and heavy, which could make installation challenging in tight spaces or vehicles with limited trunk room.

4. **Limited Built-in Features** Unlike some competitors, the CXA-820 lacks advanced features such as built-in DSP (Digital Signal Processing), Bluetooth, or multi-amplifier control. It is a straightforward power amplifier rather than a "smart" audio solution.

5. **Not Ideal for Extremely Low-Impedance Loads** While it handles 2-ohm loads well, extremely low-impedance setups (e.g., some high-output subs) may still require careful matching to avoid overheating or clipping.

6. **No Built-in Subwoofer Crossover** If you re using the amplifier for both front speakers and a subwoofer, you ll need to rely on the head unit or an external crossover for proper frequency separation.

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### **Conclusion and Recommendation**

The **Avionix CXA-820** is an excellent choice for car audio enthusiasts who prioritize **high power, clean sound, and reliability**. It excels in setups where **performance and fidelity** are key, such as in high-end speaker systems, custom car audio installations, or when paired with efficient subwoofers. Its **low distortion, remote turn-on capability, and durable build** make it a strong contender in the premium amplifier market.

However, if **budget is a concern**, there are equally capable alternatives (e.g., Rockford Fosgate R10-1200X3, Kicker CA-800/8, or Alpine MRP-F800X4) that offer similar power with slightly lower price tags. Additionally, if you need **advanced features like DSP or Bluetooth**, you may want to consider amplifiers with those capabilities (e.g., JL Audio X300-4, Kenwood MHA-2000X4).

- You want **maximum power and pristine sound quality** in a high-end car audio setup.

- You re willing to invest in a **premium amplifier** for a long-term, reliable performance.

- Your installation has **sufficient power delivery** (1200 cold crank amps recommended) and space for a larger amplifier.

- You need **more features** (DSP, Bluetooth, etc.) or a **more compact design**.

- Your budget is tight, and you can find a similarly powerful amplifier at a lower price.

- You re unsure about the **power handling** of your speakers or subwoofers and want to test with a lower-wattage amp first.

For most **serious car audio enthusiasts**, the CXA-820 is a **top-tier amplifier** that justifies its cost with its performance and build quality. If you re building a **high-fidelity system** and have the means to support it, this is an outstanding choice.

Details:

With 4 channels and an RMS power output of 820W, this amplifier delivers crisp powerful sound for enhanced audio quality. The Avionix CXA 820 is a high-performance car audio amplifier system designed for audiophiles looking to elevate their in-car experience. Built by the reputable brand Avionix, this model is known for its reliability and exceptional sound reproduction, making it a popular choice those seeking superior audio performance in their vehicles no wires included.

part #: cxa820 prices

• $100.00-$139.99

specifications caramplifieca:

• brand: Avionixx
• mpn: Cxa-820
• part type: Amplifier System
• rms power: 820w

seller caramplifieca:

• rating: 0.0%
• # reviews: 0
• city: Denver, Colorado

general caramplifieca:

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

payments caramplifieca:

• other
• wallet: Google-pay
• credit card: Visa

offer caramplifieca:

• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: May 3, 2026

shipping caramplifieca:

• type: Calculated
• class: Standard
• carrier: USPS
• transit: 4-10 Days
• cost: $81.25
• service: USPS Ground Advantage

returns caramplifieca:

• policy: No Returns

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