Size - 13 cmImpedance - 4 ΩFrequency response - 37 - 27,000Sensitivity - 88 dBLowest resonance frequency - 100 HzMaximum power - 250 WNominal input power - 40 WWoofer material - IMPP Composite ConeTweeter size - 30 mmTweeter material - PEIVoice Coil type - CopperVoice Coil bobbin type - KAPTONMagnets Woofer: Y35Tweeter: NeodymiumWeight - 0.44 kgCut-out Hole - 121 mmMounting Depth - 44 mm