... System type: 2-way molded speaker box b) Woofer: 8" woofer, 23oz.38mm VC, 8ohmc) Tweeter: 1", 25mm VC, 8ohmd) Frequency ... 8ohmc) Tweeter: 0.75", 19mm VC, 8ohmd) Frequency response: 55Hz-20kHz (-10dB)e) Sensitivity: 92 ... Tweeter: 0.5", 13.24mm VC, 8ohmd) Frequency response: 60Hz-20kHz (-10dB)e) Sensitivity: 90 ... Tweeter: 0.75", 13.24mm VC, 8ohmd) Frequency response: 65Hz-20kHz (-10dB)e) Sensitivity: 90+,- ...