power handling: 550w peak power capacity: 2000w nominal impedance: 8ohm frequency range: 43hz-20hz sensitivity: 102dB MAX SPL: 131dB high-freq.disp: 750*500 LF unit: 15-in*1 HF driver: 3-in*1 This model is SRS715,It has good sound quality,if you are interested please contact us,I am looking forward to your inquiry!