Are their any specific requirements regarding headphones?
Yes, first and foremost, they need to be stereo headphones and preferably, the frequency area should be 20-20000 HZ. But most cheap headsets for about dkk 200-300 comply with this standard. Please ask your distributor. The further you progress in the meditation course, and if you embark on the deeper levels, it will be to your advantage to acquire good headphones. It would definitely be worth it to pay dkk 500 or more for a pair of good, comfortable headphones with a clear, pure and full-bodied sound. Plantronics, AKG, Senheiser and other manufacturers produce very good headsets.