How much would a speaker service cost

Hello Rjjjjjjjjjjjjjj,

Thank you for using Apple Support Communities.

We understand that you are having issues with the speakers on your iPhone not working and you want to know the cost options for service. You can take a look at this link for iPhone service options:

iPhone Repair and Service

But before you take it in for service, you might want to take a look at this support article to make sure that your phone needs service.

If you can't hear any sound or hear distorted sound from your iPhone, iPad or iPod touch speaker - Apple Support

Best regards.