KOSS Earphones - KOSS Earphone Diagnosis Service
This New Service is for those of you who would just like a Diagnosis. We put your Earphones through different tests to find the cause of the problem and we then recommend a service or return them back to you. This service has a base charge of £9 and a return postage charge of £3.95 for Earphones. These fee's are not applicable if you choose to use our recommended service after our Diagnosis.