SelecTone 15 Watt Amplified Speaker, Hazardous Location, 240VAC, Gray - Available in 24VAC/DC, 120VAC and 240VAC. Reliable, solid-state circuitry. Digital signal amplification. Fused input and output. Built-in gain control, adjustable between 0 dBa to 110 dBa at 10 feet (0 dBa to 120 dBa at 1 meter). Cast copper free aluminum housing, spun aluminum projector. Type 4X, IP66 enclosure. IP69K compliant. Indoor/outdoor use. CSFM Approved. UL and cUL Listed for Class I, Division 2, Groups A, B, C and D & Class II, Division 2, Groups F and G & Class III.