EMB PROFESSIONAL SB-15 15" 800W REPLACEMENT SPEAKER FOR JBL, Peavey, Cerwin Vega, Gemini, EMB, BMB, Pyle-Pro, Mr.DJ & MANY BRANDS! Pro Speaker 15" Steel frame Max Power: 800w Magnet 50 Oz. Impedance 8 Ohm Frequency Response: 35 - 2500Hz