Here are five samples of the audio quality of the TRI-BOOTH
With one layer of blankets, 10 dB reduction in your environment noise floor.
With the filter, we drop it down 14dB further.
1) No Booth, just standing in the middle of the room with a microphone
2) Inside the Tribooth, one layer of acoustic blankets
3) Inside the Tribooth, one layer of acoustic blankets PLUS custom filter
4) Inside the Tribooth, two layers of acoustic blankets