Harman Kardon StealthTech GA4408, Setup Manual

•  Ensure the device is within connection range.
    •  Move the device closer to the Center Channel,  
      or remove any obstacle between the device  
      and the Center Channel. 
•  Ensure Bluetooth is enabled on device. 
•  Try connecting another device to see if problem  
 persists.
•  Go to the list of connected Bluetooth devices on  
  your phone, make your phone “forget”  

  StealthTech, and re-pair.
•  Unplug Center Channel for 10 seconds and plug  
  back in.
•  Note that separate Bluetooth connections are  
  required to use the app and to stream music from  
  your device (see *Notes on page 30).
•  After checking all other options, factory reset  
  system and re-pair (see 

System Reset

 section on  

  this page).

Issue 8: App not connecting to the system

•  Ensure the app is closed on other devices.
•  Unplug Center Channel for 10 seconds and plug  
  back in.
•  Verify Android or IOS version supports the app.  
  The app requires Android Version 10 or newer, or  
  Apple iOS 13 or newer.
•  See Issue 7 to verify the phone is properly   
  connected to the system.

Issue 9: Remote Control doesn’t work

•  Ensure batteries are good.
•  Ensure the remote is paired to the system.
    •  Re-pair the remote (see page 35).

Issue 10: Integrated Wireless Charger not working

•  Ensure the Side is plugged in (check if sound is  
  coming from speakers).
•  Ensure the device is positioned correctly over the  
  charging mark.
    •  Remove cover to see charging mark and learn  
  

 positioning.

    •  Note that not all phones have charging coils  
      centered in the phone.
•  Ensure the phone has wireless charging    
 capabilities.
  

•  For example, iPhone 7 or older does not.

•  After checking all other options, please contact  
  the Lovesac Customer Love Team (see page 5).
•  All of the Wireless Chargers are easy to replace if  
  necessary. Unzip the Wireless Charge pocket and  
  ensure that the charger is fully plugged in. 

Issue 11: TV audio not playing 5.1 surround sound

•  Check TV audio settings.
•  If using HDMI source, try the Optical source, and vice versa.

System Reset

How to perform factory reset of Center Channel
1.  

Power on Center Channel.

2.

   Hold down Center Channel 

+

 and 

-

 buttons    

    simultaneously for 10 seconds.

3.

   All LEDs turn will turn off, turn on, and turn off. 

     * 

Subwoofer and Remote Control will both   

        need to be paired to the Center Channel    
        again (see steps below).

Pair Subwoofer and Center Channel
1.

   Power on Center Channel and verify Subwoofer   

    is plugged in, hold the 

Input

 and 

+

 buttons on    

    the Center Channel simultaneously for 3 seconds  
    to enable pairing. Release buttons when the  

    Center Channel front LED starts to flash.

2.

   A “water-drop” tone will play when pairing is  

    successful. All LEDs will turn off. 

3.

   If pairing is unsuccessful, unplug the Subwoofer    

    and Center Channel for 10 seconds and try again.

How to Re-Pair Bluetooth Remote Control
1.

   Ensure Center Channel is powered on.

2.

   On the Remote Control, hold down 

   and 

-

 simultaneously for more than 5 seconds.

     • The red LED on the Remote Control will blink  
        for two seconds, then turn off. 

3.

   Change volume with the Remote Control to    

    verify successful pairing.

*If you’re still having issues, see Subwoofer factory 
reset instructions below.

How to perform factory reset of Subwoofer
1.

   Long press Subwoofer pair button. Do not    

    release until the LED turns off and an audible   
    tone is heard. If the reset was successful, the LED  
    will start flashing after 10 seconds. 

2.

   Repeat Center Channel reset and pairing  

    instructions above.

Help & Troubleshooting

Firmware Update

How to update your Sound + Charge System via USB

Scan QR Code

To scan, use your camera app 

or a QR code reader app.

OR

Visit Website

On your phone or computer, 

go to:

lovesac.com/stealthtech-

firmware-updates

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