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SmartSDR v3.9.19 and the SmartSDR v3.9.19 Release Notes
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The latest 4O3A Genius Product Software and Firmware
SmartSDR v3.9.19 and the SmartSDR v3.9.19 Release Notes
SmartSDR v2.12.1 and the SmartSDR v2.12.1 Release Notes
The latest 4O3A Genius Product Software and Firmware
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Powered speakers

Cy Stanway
Member ✭✭
I just got my 6400 and when I plug in the powered speakers, there is an audible tone! It is a stereo plug. The radio is off. What am I doing wrong?
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Answers
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Hi Cy, It sounds like you might have a ground loop. Amazon sells ground loop isolators for $10 - $12 USD. I have a set of very old LabTek speakers that have the problem and the isolator cured it. Since then, I bought a set of Creative T-10 speakers that do not have the issue. I use the isolator anyway and get great sound with no ground loop noise.
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Thanks for the tip. It was bad speakers. I put them on a computer and had the same problem. I have another powered speaker that should work okay now. But this AM, the guys came to replace my roof.....and cut all the wire antennas!!!!!0
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