How do I troubleshoot my JBL sound bar?

No Sound

1. Make sure the speaker is actually turned on.
2. Ensure the JBL soundbar isn’t muted.
3. Validate that you have the right input selected on the soundbar.
4. Make sure the audio is also turned up on the source device.

Why does my soundbar make a popping noise?

If it begins to crackle and pop as you set it farther away, then it’s interference. Get into the settings of any wi-fi devices anywhere near the soundbar and/or the subwoofer, and see if it’s at 5 ghz. The bluetooth signal of the Soundwafe is on that band. If you can change to 2.5 ghz, good.

How do I fix my sound bar?

Unplug the TV and soundbar for 10 seconds, and then plug them back in. Sometimes, reestablishing the HDMI “handshake” between the TV and the soundbar can fix minor malfunctions. 8. Update the firmware in the TV and soundbar, and then cycle the power.

How do I stop my sound bar from popping up?

A popping or crackling noise is being heard from a speaker or…

1. Turn off the stereo receiver.
2. Ensure the speaker wires are properly connected to both the speakers and stereo receiver.
3. Turn off any nearby electronic devices that may be interfering with the speaker sound.

Is the JBL cinema SB400 a good soundbar?

The Bottom Line The JBL Cinema SB400 is a fine sounding soundbar with convenient home theatre-style functionality and Bluetooth, marred by some unfortunate operational issues. Visit for details. The JBL Cinema SB400 is a couple of steps up from the SB100 in the company’s model hierarchy, and a bit more than twice as expensive.

Is the JBL sound bar good for TV?

High-definition TV is great – but what good is it if its sound doesn’t match the quality of its video? Fortunately, JBL soundbars offer cinema-quality audio in high style.

How tall should the JBL cinema sound bar be?

The soundbar and the subwoofer should be no more than 30 feet from each other, and there should be a clear line of sight between the two devices, with no devices in between them. Performing a factory reset of your JBL Cinema Soundbar is a simple way to resolve some hard-to-resolve issues.

Is there a way to mute the JBL soundbar?

Ensure the JBL soundbar isn’t muted. The backlight for the Power button will blink white whenever the device is muted. You have to press the “Mute” button on the remote control to un-mute the soundbar; there is no option to un-mute located on the soundbar itself.

The Bottom Line The JBL Cinema SB400 is a fine sounding soundbar with convenient home theatre-style functionality and Bluetooth, marred by some unfortunate operational issues. Visit for details. The JBL Cinema SB400 is a couple of steps up from the SB100 in the company’s model hierarchy, and a bit more than twice as expensive.

Why does my JBL sound bar have no sound?

On the internet I read a lot of issues about the JBL soundbar, most of them have suddenly no sound at all everything seems to work fine, the on/off, input change, Bluetooth, pairing with subwoofer, remote etc. etc. all works fine but there is no sound from the bar or from the subwoofer.

What kind of power does cinema SB400 have?

The Cinema SB400 incorporates amplifiers, controls andleft and right woofers and tweeters into a single soundbar. Its built-inamplification simplifies system connections and operation, and offers up to 120watts of power. Nothing draws you into the action like huge bass.

What do you need to know about Harman SB400?

Drawing from HARMAN expertise in movie theater audio, theCinema SB400 lets you add cinema sound without adding multiple speakers.Employing proprietary HARMAN Display Surround technology, it creates a virtualsurround-sound experience while preserving the original audio mix in its timbreand special balance.