SelecTone 15 Watt Amplified Speaker, 120VAC, 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. UL 1480 and CSFM Approved. UL and cUL Listed.