WHARFEDALE WLA 25SUB FLY FRAMEWHARFEDALE WLA 25SUB FLY FRAME Arrays can be assembled using only WLA 25 line array modules or with WLA 25SUB Subwoofers at the top of the array. The WLA 25SUB Fly Frame allows for a WLA 25SUB subwoofer to be used at the top of the array. The WLA 25SUB Fly Frame supports up to 12 x WLA 25 modules and 1 x WLA 25SUB with a safety factor of 12. Holds up to 12 x WLA 25 Speakers, or 8 x WLA 25 Speaker with a WLA 210B Subwoofer; Multiple hang points;