Does the receiver power the subwoofer?

All home theater receivers come equipped with either one or two subwoofer pre-amp line outputs that are specifically designed to connect to a powered subwoofer. On the other hand, the external amplifier required to run a passive subwoofer may be more expensive than the passive subwoofer you have.

Can a subwoofer be connected to a receiver?

Receivers that do not have subwoofer outputs mostly have preamp outputs that you can use to connect sub with a receiver. You can find the preamp output on the back of your receiver. Once found you can make a connection from preamp output on receiver to subwoofer. Almost all the subwoofers have RCA input that will be used in the case.

Why is my subwoofer not working on my TV?

NOTE: If a pattern that ends in .0 is selected, the subwoofer will not work. Verify that the subwoofer indicator light on the front panel of the A/V receiver is on. Depending on the audio source, the low frequency effect (LFE) signal may not be sent to your subwoofer.

Why do I not get thumping sound from my subwoofer?

If you do not hear a thumping sound then there is a possible service issue with the subwoofer. Connect the other end of the subwoofer cable to the subwoofer audio output connector on the back of the receiver. NOTE: Some receiver models may have two outputs to drive two subwoofers.

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.

Can a receiver deliver power to a subwoofer?

A receiver can provide signals and cannot deliver power to the subwoofer to function properly. passive subwoofers are not very common these days and most of them are powered subs. If you have a passive sub, you will need an external amplifier to deliver the power.

Can a prime device be powered when the sub is off?

Plug your AVR or whatever your prime device is into the sense receptacle and sub and whatever else into the controlled receptacles and they will only be powered when the prime device is on. Current draw threshold is adjustable for the sense receptacle.

NOTE: If a pattern that ends in .0 is selected, the subwoofer will not work. Verify that the subwoofer indicator light on the front panel of the A/V receiver is on. Depending on the audio source, the low frequency effect (LFE) signal may not be sent to your subwoofer.

What to do when your sub won’t turn off?

If so,try plugging it in there.If not,it may be the sub that has an issue with detecting it. If you have a power conditioner,you can always turn that block of it off. Your sub draws the same amount of current whether it’s on with no signal or sleeping in stand by.