Rated Impedance: 250Ω(40W),500Ω(20W),1000Ω(10W),2000Ω(5W)
Rated Power: 40 W
Max.Power: 60 W
Sensitivity: 85 dB ± 3dB , 1W/1M
Frequency Range:50 Hz  ~  280 Hz  -10dB / ±20% Hz
Whistling : 50  Volts  at  40  W
Rated Voltage : 100/70 V
Power Taps: 40-20-10-5W
Termination: Ceramic Terminal
Cabinet: Steel back can
Baffle: ABS
Mesh Grille: Steel
Dimension: 314 ^Ф  x  265  ^H mm
Weight: 5 kgs