JBL GTO939 Premium 6 x 9 Inches Co-Axial Speaker - Set of 2 6 X 9-InchHigh-fidelity 3 way car speaker, Peak Power 270W , 90W(RMS) Carbon-injected Pantented Plus One Cones Non Magnetic Fiber Glass reinforced frames RMS Power 100 Watts with 94dB Sensitivity.