Yamaha NS-BP401 BLACK Coppia

Specifications
Type 2-Way Bass-Reflex Bookshelf Speaker System
Woofers 13 cm (5-1/4”) cone
Tweeter 3 cm (1-1/4”) soft dome
Frequency Response 50 Hz – 40 kHz
Nominal Input Power 60 W
Maximum Input Power 120 W
Sensitivity 85 dB / 2.83 V / 1 m
Crossover Frequencies 3 kHz
Impedance 6 ohms
Dimensions (W x H x D) 176 x 310 x 327 mm; 6-7/8” x 12-1/4” x 12-7/8”
Weight 5.9 kg; 13 lbs.