EMB PROFESSIONAL SB-18 18" 1800W REPLACEMENT SPEAKER FOR JBL, Peavey, Cerwin Vega, Gemini, EMB, BMB, Pyle-Pro, Mr.DJ & MANY BRANDS! Pro Speaker 18" Steel frame Max Power: 1800w Magnet 65 Oz. Impedance 8 Ohm Frequency Response: 40 - 2800Hz