Keep on question for the true sound

Specifications

Dual 18inch Transmission line Subwoofer system
Mounted Drivers woofer 18” Cone type x 2
Frequency response 30Hz-300Hz
Sound Pressure Level（SPL） 103dB/1W/1m
Peak Input Power 4800W
Program Input Power 2400W
Nominal Input Power 1200W
Nominal Impedance 4Ω
Dimensions 1160mm(W)x 580mm(H)x920mm(D)
Weight 115Kg/PCE