Why use a matrix to feed your subwoofer(s)?

A matrix output is used when you want to create a mix that is based on your main Left/Right (L/R) mix but has some level of independence. In the context of a subwoofer, you might use a matrix output if you want your sub to primarily follow the main L/R mix, but also want the ability to tweak the sub level independently.

What are the benefits of a matrix feeding subwoofers?

Independence and Control: A matrix output allows you to have an independent level control for the subwoofer, which can be adjusted separately from the main mix. Flexibility: You can add additional inputs into a matrix mix, so if you have specific channels that need to be sent to the subwoofer in addition to the main mix, a matrix output provides this flexibility. Consistency: Since a matrix is typically derived from the main L/R mix, changes to the mix (such as EQ, dynamics, or effects) will be reflected in the matrix. This ensures consistency between the main mix and the subwoofer feed.

Why use an aux (aka mix or monitor) patch to feed your subwoofer(s)?

An auxiliary (Aux) output is often used when you want full control over what gets sent to the subwoofer, separate from the main L/R mix. By routing to an Aux, you can choose specific channels to send to the subwoofer, rather than simply deriving it from the main mix.

What are the benefits of an aux (aka mix or monitor) patch feeding subwoofers?

Full Control: An Aux feed gives you complete control over the mix that's sent to the subwoofer. You can send any combination of channels to the Aux, with independent level control for each. Tailored Sound: Since you're creating a separate mix for the subwoofer, you can tailor the sound specifically for the sub's frequency range. This might involve sending only the channels with significant low-frequency content to the subwoofer. Avoidance of Phase Issues: By carefully choosing which channels are sent to the subwoofer, you can avoid potential phase issues between the subwoofer and main speakers, which can arise when the same signal is sent to both.

How should I patch subwoofers in my audio console? Matrix or Aux?

Matrix and Aux outputs provide two different ways to patch your subwoofers. Here are the main use cases for each patch type. Matrix Output Patch your subwoofer to a matrix output if you want your sub to primarily follow your main Left/Right mix, with some independence. Matrix is especially useful when you need: An independent level control for the subwoofer, separate from the main mix. To add specific channels to the subwoofer feed in addition to the main mix. Consistency between changes to the main mix (such as EQ, dynamics, or effects) and the subwoofer feed. Aux/Mix/Mon Output Patch your subwoofer to an Aux output if you want full control over what gets sent to the subwoofer, separate from the main Left/Right mix. An Aux is especially useful when you need: Complete control over the mix that's sent to the subwoofer, allowing any combination of channels to be sent with independent level control for each. To tailor the sound specifically for the subwoofer's frequency range, such as sending only channels with significant low-frequency content. To avoid potential phase issues between the subwoofer and main speakers, which can arise when the same signal is sent to both. In conclusion, your choice depends on the level of control and flexibility you need over your subwoofer feed. Both Matrix and Aux outputs have their own advantages and are beneficial in different situations.

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Patching Subwoofers - A Step-by-Step Guide for Using an Aux or Matrix Depending On Your Application

Dan Nagle • February 8, 2023

Patching Subwoofers - Allen & Heath SQ-5, SQ-6, or SQ-7 console

Setting up a subwoofer on a matrix or aux output on the Allen & Heath SQ-5 console is fairly simple but you want to make sure you're setting up your sub the way you need it to work. See the FAQs to the right (below on mobile) to determine which patch is right for you.

Here's a step-by-step guide to assist you:

Setting up a Subwoofer on a Matrix Output

1. Select a Matrix: From the main screen, tap on the 'Setup' button and then select 'Matrix'. Decide on which Matrix you want to assign the subwoofer to. You'll see the available matrices (MTX 1-8).

2. Assign Inputs to Matrix: After selecting the desired matrix, assign the required input channels to it. These will usually be your main left and right outputs. To do this, tap on the 'Sends' tab under the selected matrix.

3. Adjust Levels: Adjust the level of these sends according to your requirements.

4. Connect to Subwoofer: Now, connect the output of the selected matrix to your subwoofer.

5. Configure EQ: Finally, you can configure the EQ for the matrix output to suit the subwoofer's frequency range. This can be done through the 'PEQ' tab in the Matrix setup.

Setting up a Subwoofer on an Aux Output

1. Select an Aux: From the main screen, tap on the 'Setup' button and then select 'Mix'. Decide on which Aux you want to assign the subwoofer to. You'll see the available Aux outputs (Mix 1-12).

2. Assign Inputs to Aux: After selecting the desired Aux, assign the required input channels to it. These will usually be your main left and right outputs. To do this, tap on the 'Sends' tab under the selected Aux.

3. Adjust Levels: Adjust the level of these sends according to your requirements.

4. Connect to Subwoofer: Now, connect the output of the selected Aux to your subwoofer.

5. Configure EQ: Finally, you can configure the EQ for the Aux output to suit the subwoofer's frequency range. This can be done through the 'PEQ' tab in the Mix setup.

Remember to always check the manufacturer's manual or guidelines for your specific subwoofer for any specific settings or precautions that should be taken into consideration while connecting and configuring the system.

Why use a matrix to feed your subwoofer(s)?

A matrix output is used when you want to create a mix that is based on your main Left/Right (L/R) mix but has some level of independence. In the context of a subwoofer, you might use a matrix output if you want your sub to primarily follow the main L/R mix, but also want the ability to tweak the sub level independently.
What are the benefits of a matrix feeding subwoofers?

Independence and Control:
A matrix output allows you to have an independent level control for the subwoofer, which can be adjusted separately from the main mix.

Flexibility:
You can add additional inputs into a matrix mix, so if you have specific channels that need to be sent to the subwoofer in addition to the main mix, a matrix output provides this flexibility.

Consistency:
Since a matrix is typically derived from the main L/R mix, changes to the mix (such as EQ, dynamics, or effects) will be reflected in the matrix. This ensures consistency between the main mix and the subwoofer feed.
Why use an aux (aka mix or monitor) patch to feed your subwoofer(s)?

An auxiliary (Aux) output is often used when you want full control over what gets sent to the subwoofer, separate from the main L/R mix. By routing to an Aux, you can choose specific channels to send to the subwoofer, rather than simply deriving it from the main mix.
What are the benefits of an aux (aka mix or monitor) patch feeding subwoofers?

Full Control: An Aux feed gives you complete control over the mix that's sent to the subwoofer. You can send any combination of channels to the Aux, with independent level control for each.

Tailored Sound: Since you're creating a separate mix for the subwoofer, you can tailor the sound specifically for the sub's frequency range. This might involve sending only the channels with significant low-frequency content to the subwoofer.

Avoidance of Phase Issues: By carefully choosing which channels are sent to the subwoofer, you can avoid potential phase issues between the subwoofer and main speakers, which can arise when the same signal is sent to both.
How should I patch subwoofers in my audio console? Matrix or Aux?
Matrix and Aux outputs provide two different ways to patch your subwoofers. Here are the main use cases for each patch type.

Matrix Output
Patch your subwoofer to a matrix output if you want your sub to primarily follow your main Left/Right mix, with some independence. Matrix is especially useful when you need:
- An independent level control for the subwoofer, separate from the main mix.
- To add specific channels to the subwoofer feed in addition to the main mix.
- Consistency between changes to the main mix (such as EQ, dynamics, or effects) and the subwoofer feed.
Aux/Mix/Mon Output
Patch your subwoofer to an Aux output if you want full control over what gets sent to the subwoofer, separate from the main Left/Right mix. An Aux is especially useful when you need:
- Complete control over the mix that's sent to the subwoofer, allowing any combination of channels to be sent with independent level control for each.
- To tailor the sound specifically for the subwoofer's frequency range, such as sending only channels with significant low-frequency content.
- To avoid potential phase issues between the subwoofer and main speakers, which can arise when the same signal is sent to both.
In conclusion, your choice depends on the level of control and flexibility you need over your subwoofer feed. Both Matrix and Aux outputs have their own advantages and are beneficial in different situations.

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TheatreMix 201 Training - Advanced Workflows - Presented by Tech Direction

By Events Team • December 5, 2024

Dive into advanced features and workflows in TheatreMix with developer, James Holt Back by popular demand from our last great session with James Holt, dive deeper into TheatreMix in session 201, for seamless DCA cue automation across various mixing consoles. The developer himself walks us through the newest features and how to manage advanced workflows easily for your next big show, including ways to fine-tune your shows, work quickly, prepare for mic or cast swaps, and more.