SM- B654 v.2

Midrange, diameter: 6.5″ (16.5 cm)
Nominal power: 81w,
Maximum power: 181w
Frequency response: 70Hz-8kHz
Sensitivity: 92 db
Impedance: 4Ω
Voice coil diameter: 1″ (25.5 mm)
Magnet weight: 23,5 Oz
Mounting depth: 69,0 mm
Price for pair, grilles included