I was wondering whats your opinion on this sub?
Soundstream XXX-18"
The XXX-18 is optimized for large vented enclosures. Suggested volumes are included for 4ft3, 6ft3 and 8ft3, but it can go in larger enclosures if desired. Specs are as follows;
Fs 22.9 Hz
Vas 5.504 ft^3
Qms 5.866
Qes .191...