How do I reset my JBL 250?

Ensure that the JBL CINEMA SB250 is ON. 2. On the soundbar, press and hold the top-panel Surround button until the LED flashes amber. If the LED does not flash after three seconds, release the buttons and try again.

What to do if your subwoofer is not working?

Here are some additional common issues and solutions for troubleshooting powered subwoofers on the receiver’s end. If you are experiencing issues with your subwoofer, you should first check to make sure the subwoofer itself is in working condition.

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.

Do you need a power cord for a subwoofer?

Verify the subwoofer power cord is plugged into an active AC outlet and that the subwoofer is powered on. 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.

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.

What to do when your subwoofer won’t turn on?

Press the ID Set button on the back of the subwoofer with a small pointed object, such as a paper clip. If the LINK light starts blinking, try connecting the subwoofer to your soundbar. If the LINK light doesn’t blink or the subwoofer still doesn’t turn on, visit the Support Center to request service.

Are there any problems with a wireless subwoofer?

One of the most glaring problems with subwoofers is the common ‘ground loop issue’ or hum. Ground loop can be eliminated in large part by using a wireless sub because the sub is not technically hard wired to the rest of the system.

Can a subwoofer be set to full range?

Here are some additional troubleshooting steps to assist: Solution: Make sure that the front speakers, or whole system, are set to “Small” within the receiver settings. If the speakers are set to “Large” or “Full Range”, this will send all low frequency content to the front speakers instead of the subwoofer.