What a stoopid bit of advice that is. ! ! !
It is MOST likely that the ham station is complying with ALL of the laws set out by the government.

Just because of the flood of NON compliant audio equipment (phones , tv’s , sterio’s and computer products) that is no reason to blame a nearby radio amateur for the interference.
In fact the radio amateur is not under any obligation to fix YOUR interference issue from poor equipment.

BUT — fortunately most hams are good guys and if you go and see them and ask for interference reduction advice he is more than likely to help you out.

Older tv’s were built to lower standards regarding strong signal rejection – so there may not be a lot that can be done with that.

Amplified computer speakers are often housed in plastic boxes and run unshielded (or poorly shielded) cable between the computer and the speakers.

This allows radio frequency energy to enter those parts and make the interference.
It is a problem with those parts and not the radio ham.
It can be helped by adding metal shielding inside the plastic speaker boxes and running new high quality cable from the amplified speakers to the sound card outlet.

Go ask the ham , he probably will like the challenge to fix your problem.

If he is a CB’er and has that sort of range he probably is running illegal power levels which is against the law.
Find out what and who he is first.

So – If he’s a ham , work it out with him .. if he’s a CB’er , probably call the FCC.

http://www.swdxer.co.nr/

The wires or speakers are picking up his signal at a consistent strength. This would be why you can minimize the effect by amplifying the outputs and keeping the speakers’ volume control low — you’re sending the speakers a stronger signal from your computer and reducing the speaker amplification to compensate, but you’re asking for poorer sound quality as the equalizer jacked up too high will cause clipping. The wires or speakers themselves are picking up the signal, so for example its not the computer.

They will all be connected to a receiver (a central box that controls all the audio and video). The receiver should have all the necessary inputs, and maybe even bluetooth connectivity. The speakers might be connected wirelessly to the receiver, but not directly to the components.