Yamaha NS-F160 floorstand speaker Type : 2-way bass-reflex floorstanding speaker Woofers : Dual 16cm (6-1/2”) cone Tweeter : 3cm (1”) soft dome Frequency Response : 30 Hz–36 kHz Nominal Input Power : 50 W Maximum Input Power : 300 W Sensitivity : 87 dB/2.83 V/1 m Impedance : 6 ohms Dimensions (W x H x D) : 218 x 1,042 x 369 mm; 8-5/8” x 41” x 14-1/2”