Sold As Pair/ 24 - 23,000 Hz +/-3dB Frequency Response/ 30 Degrees Horizontal Dispersion/ XStat CLS Electrostatic Transducer High Frequency Transducer/ Two 10 " Cast Basket, High Excursion, Rigid Aluminium Cone And Extended Throw Drive Assembly/ 2 x 300 Watts/Channel Woofer/ 91 dB/2.83 volts/meter Sensitivity/ 4 Ohms Impedance/ 20 - 600 Watts Per Channel/ 300Hz Crossover Frequency/ Dark Cherry Finish