My time in audio (and, video) goes way back. How far back? Does selling console stereos with ceramic cartridges mounted on record changers go back far enough? Things were very competitive back then. And, energetic and creative peddlers of consumer electronics didn't hold anything back.
Here's some examples from my memory. Maybe you can add some of your own?
RCA Victim: RCA Victor
Altec Lansing "Voice of the Outhouse": "Voice of the Theater"
Karmon Hardon: Harmon Kardon
And, who can forget?: "No highs. No lows. It must be Bose."
Or: "You can knock a Yamaha. But, you can't Nakamichi."