What size box

[Cbglasscock]

What size ported box would be acceptable for 2 ssoundqubed hds300 10" subs? I currently have 2 jl w3 subs in a ported box with 1.22 ft per sub. Would that be acceptable or would I need to size up. The new subs would have 1200 watts rms each.

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[NASTY08IMPALA 5,000+ posts]

What size ported box would be acceptable for 2 ssoundqubed hds300 10" subs? I currently have 2 jl w3 subs in a ported box with 1.22 ft per sub. Would that be acceptable or would I need to size up. The new subs would have 1200 watts rms each.

3 cubes after port and sub disp