Pioneer TS-A956H 6X9" 5-Way Coaxial Car Speakers (650W 100 Rms) Type: COAX. 5-way Maximum power: 650W Nominal power: 100W RMS Cone size: 6"X9" ( 163X237 mm), CONE Frequency range: 28Hz 33, 000Hz (-20dB) Crossover frequencies: 2300Hz @ 93DB Sensitivity and 4 ohm impedance