Hamilton Electronics who has been in the audio industry for 75 yr made “the guardian headphones”. The head phones has a LED that indicates the audio levels. If the light is GREEN then the listening volume is below the health damaging level. If the audio being played is too high for safe listening then the LED turns RED.
The Headphones are available for a reasonable price $40.
Filed under: GadgetsTags: Gadgets
Fantastic idea – where is the mirror so I can see the LEDs while listening to music