Yamaha NS-1000M

Specifications:

Frequency Response: 40 – 40,000Hz
Sensitivity: 90dB (1W input, measured at 1m)
Impedance:
Power Capacity: 100W (continuous program)
High Frequency Driver: JA0513 30mm (1.2″) Beryllium Dome
Med Frequency Driver: JA0801 88mm (3.5″) Beryllium Dome
Low Frequency Driver: JA3055A 300mm (12″) Paper Diaphragm
Crossover Frequencies: 500Hz & 6,000Hz
Enclosure Type: Closed
Enclosure Dimensions (HxWxD): 675x375x326mm (26.5×14.75×12.75″)
Weight: 31kg (each speaker)