Pioneer TS-G130C Woofer material: IMPP Composite ConeTweeter size: 30 mmTweeter material: PEIVoice coil type: copperVoice coil type: KAPTONMagnets: Woofer: Y35, Tweeter: NeodymiumSize: 13 cmImpedance: 4 ohmCut-out hole: 121 mmFrequency response: 37 - 27.000 HzMounting depth: 44 mmSensitivity: 88 dBLowest resonance frequency: 100 Hz2 way componentMaximal power input: 250 WNominal input power: 40 W