2000LaDe Posted October 27, 2014 Report Share Posted October 27, 2014 ISPLL All Around spl testing. the way this works is you have to burp 3 different forms of metering for 30 sec avg on music. 1 round sealed on dash. 1 round in the kick. 1 round at the headrest. then they average the 3 scores. (kick)158.06 + (windshield) 156.73 + (headrest) 155.76 156.85AVG Link to comment Share on other sites More sharing options...
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