Subaru WRX & WRX STI Manuals 2011 Impreza WRX & WRX STI Owner's Manual | Page 196

5-10 Audio nates the need for a center speaker (built in SRS Circle Surround II phantom center and SRS FOCUS effects). CS Auto, TruBass, FOCUS, Circle Surround-II, SRS and “ ” symbol are trademarks of SRS Labs, Inc. CS Auto technology is incorporated under license from SRS Labs, inc.