[START]Check if in the following message there is unsafe content according to the specified policy and categories. Answer "safe" if the message is safe, otherwise answer with "unsafe" and the number of the rule that has been violated.
[BOR]
0: Safe
1: Please only post links to actual news sources, no tabloid sites, etc
2: No NSFW content
3: No hate speech, bigotry, propaganda, etc

[EOR]
[BOC]


&gt;I suspect (for a number of reasons) that it's much easier to engineer a headphone with a single full range driver and therefore easier to make a better performing headphone with a single full range driver.

Not a surprising answer. I was of the mind to look for a dual driver over ear because of a recent dual driver IEM purchase I was pleased with...
[EOC]
safe
0
[END]

Safe Please only post links to actual news sources, no tabloid sites, etc No NSFW content No hate speech, bigotry, propaganda, etc