FBT Shadow 114ST Shadow IP 55 Subwoofer An optional transformer model of the Shadow 114S Subwoofer, provides impedance matching to 100V lines, with 300W power. The Shadow 114S is a weatherproof subwoofer loudspeaker system offering substantial power and efficiency for a variety of professional indoor or outdoor applications. The low frequency transducer is a 14" woofer with a 3" voice coil. The cabinet is a single piece rotational moulded in polyethylene, fully UV protected. The cabinet is equipped with a stainless steel U-bracket. The grille is in custom perforated stainless steel with 3 layers of protection. The SHADOW 114S meets the requirements of IP55 code ( International Protection Rating).