1. For low volume, please make sure that the both the volume of the car kit and phone is adjusted to the highest.
2. For bad sound quality, please confirm that whether it refers to the conversation or music.
·If it refers to the sound of music, we feel sorry that our car kit is ideal for conversation and the sound quality can't be compare with your car stereo.
·If you refers to the sound of conversation, please contact email@example.com and tell us the details of the sound quality.