Here is the 400-HS011 canal type headphones from Sanwa that feature a 18mm driver unit and has a maximum output of 10mW. Weighing at only 30grams, the headphones also work on a frequency of 16Hz to 20kHz.
Have you an opinion, used or been to this object or place? Tell us what you like don't like about it, or post any specs/info about it:
