I purchased this enclosure for my sex10d4 mated to a 600w rms@2 JBL amplifier. I don't want to say I was disappointed, I just didn't get the performance I was looking for. The volume is spot on for a sex10 so I gave it a try even though port specs weren't listed (FYI 4x~11"). Unfortunately this box is tuned for SPL applications instead of more of an SQ enclosure. The output is incredible over 40hz. You are really extracting everything you can out of a 10. Falls way short on low end production though. Otherwise quality is top notch.
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