SelecTone 15 Watt Amplified Speaker, 240VAC, Gray - Available in 24VAC/DC, 120VAC and 240VAC. 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. Indoor or outdoor use. Type 3R, IP54 enclosure. Digital signal amplification. Fused input and output. CSFM Approved. UL and cUL Listed.