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In this article, you’ll learn how to add an external amplifier to your AV receiver. We’ll discuss the benefits of adding an amplifier and explain the step-by-step process. Whether you’re looking to enhance your audio experience or power additional speakers, this guide will give you the information you need. We’ll also provide recommendations for popular AV receiver brands to consider. By the end of this article, you’ll have the knowledge and confidence to successfully integrate an external amplifier into your AV system.

How To Add An External Amplifier To Your AV Receiver

Are you looking to enhance your audio experience while watching movies, listening to music, or playing games? Adding an external amplifier to your AV receiver can greatly improve power, sound quality, and flexibility. In this guide, we will walk you through the step-by-step process of connecting an external amplifier to your AV receiver, as well as provide you with tips and considerations to optimize your sound performance.

Why Add an External Amplifier?

Improved Power and Performance

One of the main reasons to add an external amplifier to your AV receiver is to increase power and performance. While AV receivers have built-in amplifiers, they may not always provide enough power to drive demanding speakers or deliver a dynamic audio experience. By adding an external amplifier, you can ensure that your speakers receive sufficient power, resulting in a more immersive and impactful sound.

Better Sound Quality

In addition to improved power, an external amplifier can also enhance sound quality. Dedicated amplifiers are designed to deliver clean and accurate signal amplification, minimizing distortion and providing a more detailed and nuanced audio reproduction. This can result in a richer, more immersive listening experience, whether you are watching movies or enjoying your favorite music.

Flexibility for Multiple Rooms or Zones

Another advantage of adding an external amplifier is the flexibility it provides for multiple rooms or zones. If you have a large house or want to have audio in multiple areas, an external amplifier can allow you to connect and control speakers in different rooms or zones. This way, you can enjoy audio throughout your home without compromising on quality or volume levels.

Choosing the Right Amplifier

Before adding an external amplifier to your AV receiver, it is important to choose the right amplifier for your setup. Here are a few factors to consider:

Consider Power Output

When selecting an amplifier, make sure it has enough power to match your speakers’ requirements. Look for the amplifier’s power output specifications, which are usually measured in watts per channel (WPC). It is recommended to choose an amplifier that provides at least the same power as your AV receiver, if not more, to ensure optimal performance.

Match Impedance

Impedance matching is crucial when connecting an external amplifier to your AV receiver. The impedance refers to the electrical resistance offered by your speakers, and it needs to match the amplifier’s output impedance. Mismatched impedance can result in poor sound quality, distortion, or even damage to your equipment. Check the specifications of both your amplifier and speakers to ensure impedance compatibility.

Analog or Digital Amplifier?

Another consideration is whether to choose an analog or digital amplifier. Analog amplifiers are more traditional and are known for their warm and smooth sound reproduction. On the other hand, digital amplifiers are becoming increasingly popular due to their efficiency and ability to deliver high-quality sound. Consider your personal preferences and the type of audio content you will be listening to when making this decision.

Connectivity Options

Lastly, consider the connectivity options of the amplifier. Ensure that it has the necessary inputs and outputs to connect to your AV receiver and speakers. Common connectivity options include RCA, XLR, and speaker wire connections. Additionally, if you plan on using the amplifier in multiple rooms or zones, look for models with built-in zone controls or network connectivity for seamless integration.

How To Add An External Amplifier To Your AV Receiver

Preparing Your AV Receiver

Before connecting the external amplifier, it is essential to prepare your AV receiver. Follow these steps:

Check Compatibility

Ensure that your AV receiver has the necessary pre-out outputs, which are typically RCA or XLR connections. Look for the pre-out labels on the back panel of your receiver. If you cannot locate these outputs, refer to your AV receiver’s manual or consult the manufacturer’s website for compatibility information.

Gather Necessary Cables and Tools

To connect the external amplifier, you will need the appropriate cables and tools. Make sure you have the necessary RCA or XLR cables to connect the pre-out outputs of your AV receiver to the input of the amplifier. Additionally, have a screwdriver or any other tool required to secure the connections.

Power Off and Unplug the Receiver

Before making any connections, power off and unplug your AV receiver from the electrical outlet. This precaution ensures your safety and the integrity of your equipment while working with the cables and connections.

Connecting the External Amplifier

Now that your AV receiver is prepared, you can proceed with connecting the external amplifier. Follow these steps:

Locate the Pre-Out Outputs

Locate the pre-out outputs on the back panel of your AV receiver. These outputs are typically color-coded and labeled as “pre-out” or “line out.” Identify the appropriate outputs for the front, center, surround, or any other speaker channels you wish to connect to the external amplifier.

Determine the Input on the Amplifier

Next, determine the input on the amplifier where you will connect the cables from the AV receiver. The input is usually labeled as “line in” or “input,” corresponding to the specific channel or speaker connection on your AV receiver.

Connect the Cables

Connect the RCA or XLR cables to the pre-out outputs on your AV receiver, making sure to match the appropriate channels. For example, connect the front left pre-out output to the front left input on the amplifier. Repeat this process for each channel or speaker connection you wish to connect to the external amplifier.

Double-check the Connections

Once all the cables are connected, double-check the connections to ensure they are secure and properly seated. Loose or improperly connected cables can result in intermittent or poor audio quality.

How To Add An External Amplifier To Your AV Receiver

Setting Up the AV Receiver

After connecting the external amplifier, you will need to configure your AV receiver settings to ensure proper functionality. Follow these steps:

Access the Receiver’s Settings

Power on your AV receiver and access its settings menu. This is usually done through the on-screen display or by using the receiver’s remote control. Refer to your AV receiver’s manual if you are unsure how to access the settings menu.

Disable Built-in Amplifier

Within the settings menu, navigate to the audio or speaker settings. Locate the option to disable the built-in amplifier. This step ensures that your AV receiver directs the audio signals to the external amplifier instead of its internal amplification circuitry.

Configure Speaker Settings

While in the settings menu, make sure to configure the speaker settings to match your setup. Specify the number of speakers, their sizes, and the crossover frequencies if applicable. This step allows your AV receiver to optimize the audio signals for your specific speakers and room acoustics.

Testing and Troubleshooting

Once your AV receiver is properly set up, it’s time to test the audio output and address any issues if they arise. Follow these steps:

Power On and Test Audio Output

Power on your AV receiver and the external amplifier. Play some audio content, such as music or a movie, and determine if the sound is coming through the connected speakers. Adjust the volume levels on both the AV receiver and the external amplifier to ensure a balanced and comfortable listening experience.

Ensure Proper Channel Assignment

Check if the audio is correctly assigned to each channel or speaker. For example, verify that the front left audio is coming from the front left speaker. If the audio seems to be coming from the wrong speaker, revisit the connections and the AV receiver’s settings to ensure proper channel assignment.

Troubleshoot No Audio or Distorted Sound

If you encounter no audio or distorted sound, there are a few troubleshooting steps you can take. First, make sure that all the cables are securely connected and properly seated. Additionally, verify that the input and output settings on both the AV receiver and the external amplifier are correctly configured. If the issue persists, consult the user manuals of your AV receiver and amplifier for further troubleshooting steps.

How To Add An External Amplifier To Your AV Receiver

Optimizing Sound Performance

After successfully connecting and setting up your external amplifier, you can further optimize your sound performance with the following tips:

Adjust Volume Levels

Experiment with the volume levels on your AV receiver and the external amplifier to find a balance that suits your listening preferences. Avoid pushing the amplifier to its maximum output, as it can introduce distortion and potential damage to your speakers.

Fine-tune EQ Settings

Most AV receivers offer built-in equalizer settings that allow you to adjust the frequency response of your speakers. Take advantage of these settings to fine-tune the sound to your liking. Experiment with different EQ presets or manually adjust the frequencies until you achieve the desired audio quality.

Experiment with Speaker Placement

The placement of your speakers can greatly impact the overall sound performance. Experiment with speaker positioning by adjusting their distance from walls, corners, and other objects. Small changes in placement can result in noticeable improvements in audio clarity and imaging.

Additional Tips and Considerations

Consider the following tips and considerations to ensure a successful integration of an external amplifier into your AV setup:

Ensure Adequate Ventilation for Amplifier

Amplifiers generate heat while in operation, so it is important to provide adequate ventilation. Ensure that the amplifier has sufficient space around it to dissipate heat effectively. Avoid placing the amplifier in enclosed spaces or stacking other equipment on top of it, as this can restrict airflow and potentially damage the amplifier.

Choose a Well-Spaced Location

When deciding where to place the amplifier, choose a location that is away from sources of electromagnetic interference, such as other electronics or power cables. Additionally, keep the amplifier away from areas with excessive dust, moisture, or temperature fluctuations, as these factors can affect its performance and longevity.

Consider Power Management

AV receivers and amplifiers can consume a significant amount of power, so consider implementing power management solutions. Use power strips or surge protectors to easily turn off the entire system when not in use. Additionally, consider energy-efficient amplifiers or models with standby modes that consume less power when idle.

Seek Professional Help if Needed

If you are unsure about any step or encounter difficulties during the setup process, do not hesitate to seek professional help. A professional installer or technician can ensure that your external amplifier is integrated correctly and can provide further guidance on optimizing your AV setup for the best possible sound performance.

How To Add An External Amplifier To Your AV Receiver

Common Mistakes to Avoid

To prevent potential issues or damage, avoid the following common mistakes:

Incorrectly Matching Impedance

Make sure to properly match the impedance of your speakers to that of your external amplifier. Mismatched impedance can result in poor sound quality, distortion, or even damage to your equipment. Consult the specifications of your amplifier and speakers or seek professional advice to ensure a proper match.

Improper Cable Connection

Take care when connecting the cables between your AV receiver and external amplifier. Ensure that each cable is securely connected and properly seated. Loose or improperly connected cables can result in intermittent or poor audio quality.

Skipping Firmware Updates

Keep your AV receiver and amplifier firmware up to date. Manufacturers regularly release firmware updates to address performance issues, improve compatibility, and introduce new features. Check the manufacturer’s website or consult the user manuals for instructions on how to update the firmware of your AV receiver and amplifier.


Adding an external amplifier to your AV receiver can greatly enhance your audio experience. With improved power, better sound quality, and increased flexibility, you can enjoy your favorite movies, music, and games with exceptional clarity and detail. By following these steps and considering the tips provided, you can successfully integrate an external amplifier into your AV setup and take your home entertainment to the next level.

How To Add An External Amplifier To Your AV Receiver