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What to do when your InfinityLab power bank is warm while charging other devices

Normally, the InfinityLab power bank may be warm to the touch during discharging.
However, if the power bank becomes too hot, starts to expand, or emits a strong odor, please stop using it immediately and contact our customer service.

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What type of connectors are used on the AKG K550 MKIII?

The connector between headphones and cable is Mini-XLR with lock mechanism. The connector that goes into sources is a combination plug, 3.5mm jack with 6.3mm adapter.

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What types of DC triggers are available from the No. 523 and No. 526 preamps?

Normal: Trigger output is a standard 12VDC signal. Pulsed: Trigger output in a 12V pulse 50-100ms wide. Theatre: Turns the trigger on (standard 12VDC) only if the current input is in SSP mode, otherwise the trigger is off.

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What Wi-Fi standard does the AURA support with Spotify Connect?

AURA supports network standards b/g for both AirPlay and Spotify Connect solution.

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What Wi-Fi standards are supported for Citation?

Citation speakers support 802.11g, 802.11n, and 802.11ac standards on both 2.4 GHz and 5 GHz bands. We recommend using 5 GHz if available, as this will give you more stable performance and use the full power of your wireless audio. Contact our customer support to get in touch with an expert that can help you with your Wi-Fi network. We are here to help!

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What works better for stereo listening, in-wall or in-ceiling speaker?

In-wall speakers will work better for stereo listening because the speaker will be facing directly at you instead of above you. Note: Stereo imaging requires the listening position (“sweet spot”) to be dead center, equal distance, from the front left and right speakers.

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What you need to get started with your device
Getting started with the checklist
- A JBL LINK device(s).
- Latest version of the Google Home app installed on your mobile device.
- Latest version of the Google app (Android only) installed on your mobile device.
- A Google Account (you can create one online via Google).
- A mobile device with either iOS or Android support.
  - Must have iOS 10 or higher
  - Must have Android 5.0 and higher
  - There is no support for PC set up.
- An internet connection from your local ISP (Internet Service Provider).
- Your Wireless Network must secured with WPA2 Encryption (Enterprise mode NOT supported).
- Availability and performance of certain features, services and applications are device- and network-dependent and may not be available in all areas; subscription(s) may be required, and additional terms, conditions and/or charges may apply.
Wi-Fi requirement
- Wi-Fi routers must have Encryption enabled to install JBL LINK speakers (WPA2 etc).
- Wi-Fi Extenders need to feature support of Multicast forwarding and UPnP.
- Always use 5 GHz Wi-Fi for best performance and less interference.
- For routers that have 2.4G Wi-Fi support only, make sure that they are using channels 1, 6 or 11 only.
You can now install your JBL LINK speaker to your Wireless Network and you can find our setup article that shows how to install your LINK product.
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What’s the difference between JBL QuantumSURROUND and JBL QuantumSPHERE 360?

JBL QuantumSPHERE 360 is JBL QuantumSURROUND that’s kicked up a notch by using a head-tracking sensor to fix sounds in 360 degrees of space around you. With typical headphones, when you move your head, the soundscape follows your movement. But with JBL QuantumSPHERE 360, if you rotate your head, the sound source’s perceived location stays in place because the head-tracking sensor compensates for your head movement. For example, if there’s a sound coming from in front of you, and you turn your head to the left, the sound source’s perceived location moves to your right ear—the sound stays locked in space as you move your head.

Also, the human brain uses small head movements to distinguish if sound sources are behind or in front of us. The brain processes the differences between when a sound arrives at the left vs. the right ear to determine where the sound is located. So with JBL QuantumSPHERE 360, you can move your head naturally to pinpoint the exact source of sounds around you.

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When Alarm goes on, the phone it is not playing on the JBL Control X

Alarm sound function in Bluetooth connectivity is not supported in iOS devices, however it is supported in Android devices.

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When are the No. 532 and No. 526 DC triggers activated?

The Normal and Pulsed DC triggers are active (on) when the No. 523 and No. 526 is on, they are not active (off) when the No. 523 and No. 526 is off. The Theatre DC trigger is present only if the current input is in SSP mode, otherwise this trigger is off.

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When attempting to update to latest version using a USB flash drive, I am getting the message “Not Available”, am I doing something wrong?.

First try using a different flash drive, we recommend the following: ScanDisk PNY Kingston Verbatim If the problem persists try using an updated version of Winzip when downloading the zip file to the USB flash drive.

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When changing the volume on my JBL LINK 10, 20, 300 or 500, the front LED indicator slowly lights up. Is this normal?

Yes, when changing volume to higher or lower, the LED will illuminate to show that you are changing the volume.

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When do I know the Trip battery is completely charged?

The led indicator will be solid blue.

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When Go + Play BT/Wireless is connected to multiple smart devices via Bluetooth, why is there a 'pop' when I switch between music sources?

When the speaker is switching quickly between music sources via Bluetooth, it's normal to experience a very short 'pop' sound because the Bluetooth signal is breaking in and doing the handshake with the speaker. It won't appear after the Bluetooth signal is stable.

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When I adjust LFE Trim in the Audio Effects menu, I hear no difference of level from my subwoofer. Why is that?

Please note that the LFE Trim function is only active with surround source signals that feature a separate LFE track for the subwoofer. It does not affect subwoofer level when playing stereo or mono.

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When I am out in the world using this as a portable device, can I still use ALEXA?

When out in the world, on the beach, in a park, etc., the ALEXA feature will not work because the unit will not be connected to the internet via wi-fi. You can connect it to a wi-fi hotspot on a phone, if you like, or you can use it as a portable Bluetooth speaker.

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When I am trying to program my Cinema SB100, 200 or 400 to learn the volume up, down and the mute codes from my TV remote controller, I can only get mute, or perhaps mute and a volume code, to work correctly. What is wrong?

This problem is usually caused by pressing down too hard on the soundbar's VOL + or VOL - Buttons. Only press just enough for one click to be felt. If a second click is felt in the button, you are pressing too hard, and you are actually activating the MUTE function for learning, not VOL up or down. You may have to repeatedly let go of the VOL button on the soundbar, followed by pressing it again and then pressing the VOL button on the TV remote before the surround light on the soundbar lights up white and goes back to amber flashing, as a sign that this function has been learned. This is no problem, though. Just keep trying until the three commands have been learned. The soundbar only exits learning mode when you press and hold the surround button as the final step.

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When I connect JBL DRG with my head unit via Bluetooth, the audio stream will be interrupted and I can hear “papapa…” noise when play music.

• Please check whether your head unit Bluetooth support EDR (Enhanced Data Rate) • If the head unit does not support EDR this will cause the transfer data rate to be low and will impact the audio quality.

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When I connect my JBL speaker with a computer (PC/Laptop/Apple Mac/Nintendo Switch), can I use the PartyBoost feature?

The PartyBoost feature is not available when your JBL speaker is connected to a computer via Bluetooth. This is a technical limitation. When connected to a computer, the computer is acting as the primary device. Therefore, the JBL speaker does not have control of re-transmitting the Bluetooth signal to other JBL speakers.

NOTE: Speakers effected by this are the JBL Flip 5, JBL Flip 6, JBL Charge 5, JBL Pulse 4, JBL Xtreme 3, and JBL Boombox 2, as well as all future products featuring the PartyBoost feature.

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When I dock my K 912 or K 915 headphones in the charging station/transmitter, the CHARGE light does not come on, and no charging takes place.

The rechargeable AAA cells may of course be worn out, or they may not be installed at all. If this is the case, either insert the cells, or you can order new cells as original spare parts. Please contact Harman Helpdesk for your country, or the distributor for your country, for further info about how to buy new cells. Please note that the cells MUST be compatible with charging contact for the minus pole located on the side of the cell. Normal cells will not work. This is clearly mentioned in the owner's manual, and shown with a drawing. If you have purchased new cells with plastic coating along the length of the cell, it may be possible to peel off the coating by cutting gently with a knife, then peeling it off. Only about 1 cm needs to be open to the metal, closest to the flat end, for contact to be possible. Please note that the ear pads on K 912 are removed by simply grabbing the plastic plate that holds the ear pad, and pulling it away from the ear pod. There is one battery in each ear pod. For K 915, never just pull the pad away, since the locking claws are released by being rotated away from their locked position.. Both batteries are under the right-hand pad, and there is a silk-screened instruction on the top of the pod, showing that you must rotate the pad plate just a few mm counter-clockwise to unlock it.

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When I put smart phone on the Smartbase wireless charge arm, it doesn’t charge.

The wireless charge receiver in the smartphone may not be adequately coupled to the wireless charging transmitter on Smartbase. Re-adjust your smart phone’s position on the wireless charge arm.

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When I select Adapt+ in the HK Controller app, I am not able to set up my older Adapt. How come?

To set up the Harman Kardon Adapt in the HK Controller app, you have to select "One speaker", not the Adapt+ option. When selecting "One speaker", simply follow the on-screen instructions to install your Adapt on the Wi-Fi network. Note that the instructions for Adapt devices will appear on your screen after 30-45 seconds (Only Apple devices).

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When I set RGB lighting on PC, and then play on console, will the RGB setting be remembered?

Yes it will.

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When I set up an Alexa MRM group, why do I only hear music coming out of one speaker?

If you only hear sound from one speaker in an MRM group, skip to the next song. After this, both speakers should play music correctly. You can then go back to the first song or continue playing where you left off.

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When I switch between analog and digital channels on my cable television set-top box, the picture distorts, but I have no problems when using other sources. How can I resolve the problem?

Please check the picture settings on your cable box, particularly the aspect ratio settings, which will vary depending on the brand and model of your cable box and on your local cable provider. You may wish to consult with your cable provider for more information on how to adjust the cable box's settings. Some settings, such as a setting to force an analog channel's native 4:3 aspect ratio to 16:9 widescreen to fit your display, may interfere with the cable system's copy-protection feature and cause distortion.

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When I switch off my iPad, a loud click noise is heard from the Go+Play Wireless, and afterwards there is a lot of hiss. How come?

This is caused by the volume synchronizaton system in the iPad. When you switch off the iPad with click sounds activated, it sends the click sound to the Go+Play, also ordering the Go+Play to increase volume to maximum. The hiss is a result of the Go+Play Wireless being at full volume. As soon as you re-start your music playing from the iPad, volume is back to normal music use. If you do not switch the iPad on again, the Go+Play goes into standby after a few minutes, and the hiss disappears. You can prevent this problem by de-activating the click/alarm sounds on the iPad.

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When I transfer the audio from JBL DRG to my head unit via AUX, I can hear noise from the speakers.

Some vehicles don’t provide an isolated ground for the head unit which may introduce noise. Please connect your smartphone to JBL DRG and enable the “Aux Noise Cancel” button in the App. This can be found right after Aux Line option in Connection Mode section.

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When I transfer the audio from JBL DRG to my head unit via AUX, I can’t hear anything.

Some head units in the vehicles use isolated grand, if JBL DRG use isolated grand as well, this will disable the chips inside DRG. Please connect your smartphone with JBL DRG and disable the “Aux Noise Cancel” button in the Apps right after Aux Line option in Connection Mode section.

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When I try to pair my Focus 700 to my device, the Focus 500 is displayed on my discoverable devices. Is this normal?

What you are experiencing is normal. The Focus 700 is actually the Focus 500 headphone but with the added bonus of a charging case.

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When I try to pair my Inspire 700 to my device, the Inspire 500 is displayed on my discoverable devices. Is this normal?

What you are experiencing is normal. The Inspire 700 is actually the Inspire 500 headphone but with the added bonus of a charging case.

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