Need Help Please

[tellison94]

I need to know how much air space is needed for a sundown x15 d2? And I wanna be pretty loud so should I go bigger then recommended? Please Help!!

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[sundownz Pro Seller]

3.25 - 4.5 cubes -- if you are near RMS levels the bigger volumes are nice for efficiency... tune from 28 - 38 Hz depending on your taste in music.