This is one of the most powerful speakers in Bangladesh, 2hr checking time.
Frequency Range: 35 Hz - 25,000 Hz
Sensitivity: 91 dB (at 2.83 V/1m)
Nominal Impedance: 6 ohms
Maximum SPL: 114 dB
Recommended Amplifier Power: 50 W - 200 W
Crossover Frequencies: 600 Hz / 3,200 Hz
Enclosure Type: Bass reflex (tuned to 29.5 Hz)
Dimensions (H x W x D): 113 × 30 × 42 cm (44.5 × 11.8 × 16.5 inches)
Weight: 34 kg (75 lbs) each