FEATURES: SP series stage speaker system use strong power tweeter driver and woof driver, these divers match horn type cabinet design. It makes SP series stage speaker system perform super power, long shot, clear tweeter and surge sound when it use in hall and outdoor performance. SPECIFICATION: Name SP2115 Type Compact Two-way, All Frequency Driver Components SP15-1975A+SD72 Rated Power(RMS) 400W Impedance 8 Ohms Sensitivity 97dB Frequency Response 50Hz - 18KHz Cover Range 90Hx60V Box 18cm Middle Density Fiber Board Superficial Treatment Cover black Cotton Connectors 2x Neutrik Speakon NL4 Dimensions(mm) 600x860x790 SP3115 SP2215 Two-way, All Frequency Two-way, All Frequency SP15-1975A+SD8+SD72 SP15-1975A*2+SD72 500W 100W 8 Ohms 4 Ohms 98dB 102dB 45Hz - 18KHz 45Hz - 18KHz 90Hx65V 90Hx65V 18cm Middle Density Fiber Board 18cm Middle Density Fiber Board Cover black Cotton Cover black Cotton 2x Neutrik Speakon NL4 2x Neutrik Speakon NL4 600x1200x790 600x1200x790