For your info

[dieseljeep]

Originally Posted by KV-1926R

Nah... 8-ohm speaker in that thing I assume, so 4x 4-ohm speakers wired in series, with the internal speaker disconnected of course, ought to do the trick. I'm not aware of individual speaker impedances lower than that.

RCA's and Zenith's seemed to use a lot of 32 ohm speakers.
If you want good sound at a reasonable price, I use the better type of computer sound systems. The kind that has a sub-woofer and left and right satellite speakers. Usually very reasonable at the thrifts.