A great bit of common sense on the face of it, to limit volume on headphones, rather defeated by the fact you can by pass the noise limit and turn it up again ! Why not just totally limit the db output ? simples.... Last thing we need as acquired deaf are 1,000s of other people who did it to themselves.
If you're suddenly feeling a chill wind whistling through your parental responsibility zone you're not alone. The number of young people suffering NIHL is growing and you won't know your kids have it until well down the track. It accumulates over time and lasts forever, so when it starts early it means a lifetime of either asking people to speak louder or wearing a hearing aid. Neither is cool.
Russell says that one in five American teenagers suffer from some form of hearing loss, an increase of 31 per cent over the past 20 years. He believes it's all about music players and headphones. Incidentally, iPods hit the market 16 years ago.
Russell has developed headphones specifically for kids with a volume limiter that restricts volume to 85 decibels (dB), the maximum safe level recommended for continuous listening by the World Health Organisation. They're called Puro BT2200s, and since our story was published he has made them available in Australia through a distributor in New Zealand.