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Trouper Bluetooth Hum / Buzz / Whine Sound

I've got a distinct humming / buzzing / whining sound from my Alto Professional Trouper when paired to devices via Bluetooth. I've tried several electrical outlets to see if it was a grounding issue and a few music devices (iPhone, laptop, etc.), but the background noise is still present.

Any additional thoughts or tips?
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  • I’m content.
    Just a follow up comment to this issue. Talked with the nice support people (thanks, Chris!) about this and have a replacement shipped out to me. The new speaker arrived and works flawlessly. The weird buzzing/humming/whining is a one-off oddity.
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    • Still working w/o the buzz? I re-purchased the Trouper 2X bc I had the same buzz but all the units I tested had same problem. I REALLY liked the Trouper but assumed there was no unit out there w/o the Buzz.

      Contemplating buying it AGAIN IF I can confirm this buzz is NOT normal for the Trouper...?
    • Hi Kenny,

      Buzzing is definitely not normal for the Trouper. If you're hearing buzzing from the Bluetooth connection on the Trouper:

      • Make sure Bluetooth is turned on for both devices.
      • Turn on your Bluetooth discoverable modes for both devices.
      • Make sure both Bluetooth devices are in close proximity of each other.
      • Power both devices off and back on again.
      • Choose to Forget the Device from the Bluetooth speaker then re-pair both.
      • Stay away from a WiFi router or another device that may transmit a wireless signal.
      • Update the audio device's Bluetooth firmware if possible.

      If you continue to have issues connecting your Trouper, then please contact Alto Pro Audio Technical Support, and our support agents can assist you with this!
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  • I have two of them I just purchased and I'm getting the same bluetooth noise also i have a mixer plugged in and its picking up a noise from the mixer that no other speakers pick up. What do you think a one off or design flaw?
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  • Also the blutooth signal is pretty spotty and my phone is no more than 5 feet away. Occasionally the audio just drops out entirely. Perhaps corners were cut fit all the features in at such a low pricepoint or the extended range of the bluetooth technology is easily interrupted? Anyone have a unit that is totally free of these issues? It's a cool product but I'm considering ditching it altogether until theres a fix.
    • Hi Francisco,

      Sorry you're having issues. The Bluetooth range should extend to 60-80 feet with a clear line of sight. So if your signal is dropping out with your phone 5 feet away, first make sure that there are no obstructions between the speaker and your phone. If your phone is in another room, in your pocket, etc., this can cause signal dropouts to occur as well, so make sure this isn't the case. Additionally, please confirm there are no other Bluetooth devices within the same vicinity as your phone and Trouper. Having other devices in the same area can cause audio dropouts and pairing issues, as well. You can also follow these tips below to maximize your Bluetooth range:

      * Set your source device on a flat surface.
      * Turn off your source device's Wi-Fi.
      * Turn off any unneeded 2.4 GHz devices in the nearby vicinity (e.g., other Bluetooth devices, baby monitors, WiFi access points, microwaves, etc.)
      * Try using a different Bluetooth source device, as Bluetooth signal strength varies between different devices. 

      Let's have you try erasing your pairing and linking settings to see if this helps with your issue. To erase all previous pairing and linking settings, press and hold either the Pair button or the Stereo Link button for 3 seconds. you will hear a long tone to confirm its pairing and linking settings have been erased, and the LEDs will also turn off. If you're working with two speakers, do this on both the master and slave speakers. Then, begin the pairing process again as outlined in the User Guide. 

      I hope this helps! Let me know if you have any additional questions. 
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