Bookshelf Speaker model: NS-B901 made by Yamaha Japan

Description

• Type: 2-Way Bass-Reflex Bookshelf Speaker System
• Woofers: 13 cm (5”) Advanced PMD cone
• Midrange Driver: 8 cm (3-1/4″) dome type
• Tweeter: 3 cm (1”) aluminum dome
• Frequency Response: 52 Hz-50 kHz
• Nominal Input Power: 30 W
• Maximum Input Power: 120 W
• Sensitivity: 87 dB/2.83 V/1 m
• Crossover Frequencies: 4 kHz
• Impedance: 6 ohms
• Dimensions (W x H x D): 220 x 349 x 237 mm; 8-5/8” x 13-3/4” x 9-3/8”
• Weight: 5.9 kg / unit; 13 lbs.