OBO Any offer considered Enclosure type Bass-reflex Frequency response ± 3dB 50 - 23000 Hz Nominal impedance 8 Ohm Amplifier Requirements 20 - 80 W Sensitivity (2.83V/1m) 90 dB Tweeter 3/4 in Woofer 5 in Dimensions (H x W x D) 12.6 x 5.91 x 9.29 in. Weight 7.7 lbs.