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I'm using the same song again which is "NAIMA - Let me see you" Pretty short video on a small subwoofer from a Logitech Z340. This subwoofer in the original box was hidden behind a passive radiator in in a small box for the speaker. It is 20w RMS and 40w Max at 4 Ohms and sounds pretty good for a small subwoofer like this. The max excursion before major distortion is between 1/3-1/2". I have a very similar version of this that is shielded from a Labtec LCS-2416 Speaker system. Both of the 2 are branded Labtec.
