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How to troubleshoot no sound coming from an Active Subwoofer?

By James Craig

How to troubleshoot no sound coming from an Active Subwoofer?

A separate article about the difference between an active subwoofer and a passive subwoofer is available. Select Settings. Select Speaker. Select Speaker SP. Make sure that the Speaker pattern ends in either a .1 or .2. NOTE: If a pattern that ends in .0 is selected, the subwoofer will not work.

Why is there no sub in Bose Acoustimass?

Mathew, the reason you set it for no sub is because when you say there is one, all low frequencies are routed to the sub thorough a completely different connection on the receiver. In this case, that means those frequencies go nowhere, because nothing is connected to the sub output.

Do you need a power cord for a passive subwoofer?

If the subwoofer does not have a power cord, then it is a passive subwoofer. In that case, you will need to purchase an active subwoofer. Set the volume on the back of the active subwoofer to the middle position. If the subwoofer has a cut off frequency adjustment, set it to the maximum position to pass all low frequencies to the subwoofer.

Why is there no sound from my Bose subwoofer?

The subwoofers don’t seem to have any connection facilities at all to the receiver or other power source and their seems to be no place to connect them except with the other speakers. I’m assuming that they’re taking power from the receiver through the other speaker wires before sending it on out to the speakers afterwards?

Why does my AVR have no subwoofer output?

One of the most common scenarios is where the user has a 5.1 speaker system, but the AVR Receiver does not allow subwoofer output in 2-channel. Another is when the user has large bass capable main speakers but they experience no bass output, in 2-channel mode, to the subwoofer if the main speakers are configured large.

How can I tell if my Sony subwoofer is still on?

In this case, set the sound field setting to A.F.D. AUTO or a another sound field. Sony® receivers will send a simulated LFE signal to the subwoofer and the SW indicator will light up. Verify the subwoofer power cord is plugged into an active AC outlet and that the subwoofer is powered on.

How to fix no subwoofer output for two channel sources?

1. Configure the bass management of your AV receiver by setting each speaker group (ie. main front L/R channels, center, rears) to either large or small depending on their output capabilities. We recommend reading Bass Management Settings Made Simple for more information on this topic.

Do you need a subwoofer in a speaker system?

Regardless of your current setup, you need a subwoofer. It can bring new life to your sound systems that you can never achieve, even with the best speakers. You can find speakers that take pride in their sophisticated bass management.

Why is my subwoofer not pairing with my sound bar?

I too was having problems getting the subwoofer to pair. Tried several times manually (10+) with no success. Then read this thread and saw that someone else had success after unplugging the power supply to both the sound bar and subwoofer. So I did the same.

How does a subwoofer work in a surround sound system?

Systems intended for domestic use often work with speaker-level signals. For 5.1 surround systems, the bass management is normally performed in the surround sound controller or monitoring controller, rather than in the subwoofer itself. The diagram on the previous page shows such a system.

Why is there no sound coming from my subwoofer?

If you find that there is absolutely no sound coming from your subwoofer, then check the settings on your receiver. If the speaker size is set wrong, then the subwoofer and the sound system are not properly talking to each other, causing the subwoofer to not respond.

What to do if your rear surround speakers are not working?

Rear / Surround Speakers not working ​Make sure the speaker cables are securely connected to the subwoofer. Make sure the subwoofer is powered on. (A light on the back of the subwoofer will light up to indicate the subwoofer is… Try re-pairing the subwoofer. For instructions on how to pair your

Why do you need a subwoofer for surround sound?

Some people find that increasing the crossover cut-off of their speakers increases the clarity of sound they get and having a sub allows you to modify the cut-off point for all the speakers and not just those satellites set to “SMALL”.

What to do if your home theater subwoofer stops working?

If your home theater subwoofer, or sound system, is problematic or stops working, there are things you can do to check it out. Make sure that you have your manufacturer’s user manual with you.