However, their frequency reaction is completely off, no clue how they might assert +/-3dB all the way down to 45Hz, specified them the good thing about rounding down, the bottom you may go on this design is 56Hz. ryanmh1 explained: EDIT: Most recent products are "good" or "great" because of https://localtailor.net/California/Displays-&-Holders-Charters-6075216