Has anyone heard of these speaker?


I picked up a pair of TETRASOUND speakers in a pawn shop and they are incredible...I have heard they were developed by an Canadian. Does anyone have other information on these?
twink_mcd
Hello! I have 2 pairs of these speakers bought in 1998. Anyone interested please email me at cindy.jean1969@gmail.com
i have my second pair, first set was sold many years ago. I have blown driver so I am looking for replacement or parts if anyone has something
Dave
Hi Atom:
Looking for replacement driver for my Tetrasound charm if you know of anyone who has a pair or parts