"The headphones have to have some sort of power. It would be batteries...
So either the phones would be really heavy to last, or, you would be changing batteries every few days."
You could keep the batteries in a separate pack and just run a power cord to the headphones. And use rechargeable batteries.
So either the phones would be really heavy to last, or, you would be changing batteries every few days."
You could keep the batteries in a separate pack and just run a power cord to the headphones. And use rechargeable batteries.