4 ms·
That doesn't seem physically possible since it's based on sound pressure waves.. From your link, mk1 uses 85 db set volume; mk2 uses ambient noise level + 5db.
by thatcat 9y ago
That doesn't seem physically possible since it's based on sound pressure waves.. From your link, mk1 uses 85 db set volume; mk2 uses ambient noise level + 5db.