Canton GLE Series 436 Compact Speaker - White - Pair Soft dome tweeter system Woofer and midrange systems with wave technology Polycarbonate loudspeaker baskets High quality fabric grill, removable Nom. /Music power handling: 90 / 140 watts SPL (1 watt/1m): 89 dB Frequency response: 38...30.000 Hz Crossover frequency: 3.000 Hz Nominal Impedance: 4...8 ohms