High-end Audio Subwoofers
Subwoofers designed to work with High Fidelity Audio Stereos
Not a heckuva lot of these higher quality subwoofers available at the current time. Perhaps due to the decline in the popularity of Home Theater and the increase in popularity of full-range floor standing speakers.
These are all in current production as of September, 8th, 2014
This is a page in the Audiophile’s Guide to the Galaxy