SM-A654 MkII

Midrange, diameter: 6.5″ (16.5 cm)
Nominal power: 51W,
Maximum power: 151W
Frequency response: 80Hz-13kHz
Sensitivity: 91 db
Impedance: 4Ω
Voice coil diameter: 1″ (25.5 mm)
Magnet weight: 15,4 Oz (0.436 kg)
Mounting depth: 67,0 mm
Price for pair, grilles included