possibly a loose belt, or a worn belt try sprying some belt dressing on it, if it stops replace your belts soon. belt dressing is a baind aid not a cure.
Fuel is not good!
It is possible the subwoofers are causing a chirping sound, you would be best taking them to a local dealer in your area and asking for professional advice
chirping sound
chirping
A defective vacuum line can cause a whistling sound when the vehicle is accelerating. A loose belt can also create a high pitched whistle sound.
chirping sound
You can call the sound made by the bulbs as the chirping sound.
chirping
bad wheel bearings
When the wheel and the tire rub together.
Yes
Crickets do not actually sing, but they are said to do so because they make a chirping sound that is similar to the sound of singing. The crickets rub there legs together, creating the mentioned chirping sound.