this is the new Radial Sd Competition subwoofer, Phoenix Gold's answer to the L7 and W7. small box, high output subwoofer. here is the web page:

http://www.rodinaudio.com/pgMobile/featured.php

specs:

10" competition subwoofer

dual 4 ohm voice coils

mounting depth is 147mm/5.80in

sealed box:

SQ .382 cu. ft.
SPL .2 cu. ft.
woofer displacement .09 cu. ft.

vented box:

SQ .81 cu. ft. vent dia. 1.5", vent length 6.9"
SPL .368 cu. ft. vent dia 1.5", vent length 5.2"
subsonic filter at 20hz

600w rms power handling, 1200w peak. the PG insiders that are running these subs say that 600w rms is very conservative and recommend 1000-1200w rms (that is not pyle/audiobahn/punch peak watts!). box has only been opened to take pics and view the sub, never been mounted or powered. retail is 249.00 for the 10", 299.00 for the 12". get this one now for only 150.00, BRAND NEW!