Martin Audio Ltd - CSX-LIVE 218 achieves the ultimate in subwoofer performance, delivering very high output levels with minimal distortion. With an operating range of 35Hz-150Hz ± 3dB, it houses dual 18”
AudioPro | LD Systems V 218 SUB line array subwoofer
PAS-218 Subwoofer - omnitronic
A 218 Sub - SOLTON®
EM Acoustics S-218 Reflex Loaded Subwoofer - SHOWTECHNIX