Type: 2-way sealed (magnetic) Speaker unit: 3.5 inches (9 cm) cone woofer, 1.0 inch (2.5 cm) dome cone type tweeter playback frequency band: 88 Hz - 33 kHz Impedance: 6 ohms Allowed Input: 40 W Maximum Input: 100 W Output Sound Pressure Level: 888 dB/2.83 V, 2.83 V, 1 m Crossover frequency: 5 kHz(-6 dB/t. External Dimensions (W x H x D): ): 4.2 x 7.5 x 5.5 inches (107 x 191 x 140 mm); Weight: 3.3 lbs (1.5 kg) (1 unit).