Make it like open talk... you can't see it unless you are a member already? This way you don't know about it unless you are into fi already
and
Make a few entry questions: What is the thing you like most about your system?
If the answer is in fckwt spk, the applicant is banned.
If the answer is it is brand X/Y/Z, the applicant is banned.
If the answer is awesome BASS, the applicant is banned.
What is the port tuning frequency?
If the answer is 60 Hz/the port tunes murova bass, the applicant is banned.
What is the cabin gain?
If the answer is, no i actually lost some cabin space, the applicant is banned
