Pioneer TS-A1670F Speaker Size 16.5 cm Type 3-Way Coaxial System Max Power 320 Watt Continuous power output 70 W Frequency response 37 Hz – 24 KHz Sensitivity 87 dB dB Impedance 4 Ω Woofer material IMPP™ Composite Cone Voice Coil type Copper Voice Coil bobbin type KAPTON Tweeter Type PIEZOELECTRIC 73,00 €