Model: UKM5228, UKM5212, UKM5215, UKM5218 Subwoofer, UKM5210 Full range speaker
Dual 18 in. Bass-Reflex Subwoofer, High Power,

Vertical Orientation for Stacking Full-Range Systems
Power Rating: 1000W/2000W/4000W
Frequency Range: 35 Hz-250 Hz
Sensitivity: 103dB SPL
Frequency Response: 40Hz-250 Hz
Nominal Impedance: 4 ohms
Rated Maximum SPL: 139dB SPL
Coverage Pattern: 70o x 70o nominal
Low Frequency Driver: 2 x 460 mm(18 inch)woofers
PAROYAL AUDIO SYSTEM