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What I want to know is what you think of using a high freq. (68 Hz.) in a small car (950 liters cabin)? Is that a good thing for SPL? The RFR3115 is playing in a box of 4.4 feet^3 with 97 inch^2 and 7.5 inch. deep port. At 800 watts it was playing 147.9 DB on a TERMPRO. Now it gets 2000 watts from 2 amps., don't know what it does yet but goes louder. Do you have some sugestions to let this stuf play louder? If you want to see the car and install there is a beginning on : WWW.12VOLTMEDIA.NL and see Mini met maxi SPL.147.9DB in the gallery.
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