The S550 Mustang offers an step-up 9-speaker premium audio system for premium model (200A/400A) Mustangs that while greatly improved over the base stereo and containing a 8+1 channel amplifier, lacks a subwoofer (or any wiring for one) that is included in the top-end Shaker Pro system.
- mustang6g
- Posted onMar 21, 2017 at 6:30 AM
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