Driver ComplementTweeterQuantity 1 Diameter 1" (2.54cm) Type silk/polymer Dynamic Balance dome Mid / WooferQuantity 1 Diameter 6 1/2" (16.51cm) Type Dynamic Balance bi-laminate cones ElectricalTotal Frequency Response 42Hz-25kHz Upper -3dB Limit 24 kHzLower -3dB Limit 50 HzNominal Impedance 8 ohmsEfficiency 90 dBRecommended Amplifier Power 20-125 watts per channelInputs gold-plated 5-way binding posts DimensionsCabinet DimensionsHeight 14" (35.56cm) Width 8" (20.32cm) Depth 12" (30.48cm) Overall Dimensions (including base) 14 3/4" H x 8 3/8" W x 13 3/8" D Product Weight (each) 13.6 pounds