That’s a very relative question. Because, it differs from brand to brand and model to model. And, of course, it also depends on your specific requirements. But according to what you may require, these are some of the accessories available, to complement or enhance your experience: 1. Amplifiers 2. Headphone cables 3. Headphone stands 4. Foam tips 5. Microphones 6. Earpads 7. Headband pads