This is possibly the coolest music video ever made!
The outgoing Commander of the ISS singing "Space Oddity". In space.
Burhoe Acoustics was a company created by Winslow Burhoe after he sold the company he founded to market his first wholly designed speaker line, Epicure Products. The several models may not have been well known, but their owners love their sound and are still loyal after all these years.
Some of the speakers can be serviced quite handily, others are more difficult. I have tried to note these details here.
Here is a summary of the speakers, with links to specifications and copies of the original brochures: