Yamaha NS-555 Specification

System type3-way
Enclosure typeBass-reflex
Frequency response ± 3dB35 - 35000 Hz
Nominal impedance6 Ohm
Amplifier Requirements15 - 100 W
Sensitivity (2.83V/1m)88 dB
Tweeter25 mm (1 in.)
Midrange130 mm (5 in.)
Woofer2 x 160 mm (6.5 in.)
Dimensions (H x W x D)980 x 222 x 345 mm / 38.58 x 8.74 x 13.58 in.
Weight20 kg / 44 lbs.