Year 1975
 “Forsythe Audio Systems”brand was created.  We designed  dual 15 inch low frequency horn speaker of the SR215.   The SR215 is the first of its kind for a horn subwoofer optimized, and 15-inch unit used in the famous "phase plug" technology.

Year 1976
Focus on adding new products to extend product lines, launching SR115 single 15 inch subwoofer, and expand sales to the worldwide.

Year 1977
Forsythe Audio Systems has created a compact two-way low frequency reflex system.  It uses an unique technology of removable interchangeable inverted-phase tube.

Year 2009
FORSYTHE carrying 34-year successful experience in loudspeaker design and application to China to create a new era of professional audio applications!