2005 Scion xA "barely hear receiver radio" Questions

...barely hear my radio on normal volume when driving, motor engine sounds like an airplane, does not appear to affect other functioning, and no maintenance lights are on, mileage is 45K ; car has ...

...barely hear the signal. There is no static, just dead air. I checked the antenna and made sure its securely fastened. It stopped working between when I left the car in my garage and started it up the ...