frequencies impedance dimensions w xhxd weight ht series woofers midrange ... frequencies impedance dimensions w xhxd weight ht series satellite speakers ... sensitivity impedance dimensions w xhxd weight ns-9002 16cm cone 13cm cone 2. ... 87 db/2.83 v/1 m 1 khz/3 khz 6 ohms 310 x1,120x 371 mm 20 kg/unit ns-6490 20cm ... db/2.83 v/1 m 2.5 khz/8 khz 6 ohms 267 x 411 x 336 mm 6 kg/unit ns-p70 surround ... 50 w 150 w 90 db/2.83 v/1 m 6 ohms 150 x 265 x 156 mm 2.3 kg/unit ns-8390 20cm ... db/2.83 v/1 m 4 khz/10 khz 6 ohms 262 x 920 x 266 mm 11.7 kg/unit ns-50f dual ... 240 w 90 db/2.83 v/1 m 2 khz 6 ohms 233 x 880 x 271 mm 12.5 kg kg/unit ns-p70 ... 60 w 180 w 91 db/2.83 v/1 m 6 ohms 233 x 880 x 271 mm 3.5 kg ns-7390 16cm cone ... 86 db/2.83 v/1 m 4 khz/6 khz 8 ohms 210 x 870 x 265 mm 10.2 kg/unit package ...