2015년 구매 250만원. 1년 사용. 13" 서브우퍼 Focal Utopia Be 33 WX2 Focal's top-of-the-line Utopia Be speakers exemplify Focal's dedication to musical perfection. The sound enthusiasts at Focal worked without constraints to develop what they consider to be the ultimate in speaker technology. Utopia Be subwoofers employ unique materials and unparalleled construction to add incomparable dynamics and natural sound to your system. The Utopia Be 33 WX2 13" subwoofer represents the pinnacle of Focal's pursuit of perfect-sounding, full-bodied bass. It handles up to 400 watts RMS and works in small or medium vented boxes. -13" 4-ohm subwoofer -"W" structured foam and glass composite sandwich cone with rubber surround -zamak (zinc alloy) basket -multiferrite magnet -power handling: 50-400 watts RMS (800 watts peak power) -frequency response: 27-350 Hz -sensitivity: 90.28 dB -top-mount 5-7/8" -ported box volume: 1.24-1.59 cubic feet