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| | www.makeitlouder.com |
 | | Cars make bass(low) frequencies louder automatically so for decent to good sound, one 10" or 12" woofer with 100 to 300 watts is plenty for normal people, and or low budgets. |
 | | To go from 130 to 132 db is very easy, from 140 to 142 is O.K., from 150 to 152 db is difficult and from 160 db to 162 db it is very hard, you will need lots and lots more power, sometimes double or maybe triple. |
 | | Above 155 db of course the vehicles are usually completely sealed(air tight) relative to the outside air, but the woofers are usually mounted in a ported box. |
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