TOA FB2862C 60W 6.5″ Ceiling Subwoofer, 100 Volt line or 8? selectable. 60Hz-250Hz, 87dB. 200mm deep, cutout 250mm. Ceiling Subwoofer, FB-2862C offers an attractive exterior designed created by an interior designer to blend it naturally to any architectual space, enhancing the immediate area’s sense of harmony. The bass reflex speaker system designed to provide low frequency range and high-quality sound output, ideal for locations with high ceiling or places that requires true-to-life sounds.