Incase anyone wants to know what the inside of an L Acoustics DV sub looks like. : r/livesound
L'Acoustics dV-SUB Subwoofer - PRG Gear
China K1 K2 Line Array Ks28 Sb28 Power Subwoofer Acoustics Professional Audio Line Array Loudspeaker - China Line Array Speakers and Dual 15 Inch price