ST-218
EM Acoustics
Price not listed
Large format flyable reflex subwoofer The ST-218 is a large format touring subwoofer, and whilst it is designed to be mechanically and acoustically compatible with the HALO-A system, it is a standalone product in its own right and can be used to support any EM Acoustics product either in a flown or ground stack configuration. The compact enclosure houses a pair of 4.5” voice coil, 18” (457mm) neodymium drive units, in a reflex design with a single low-velocity port to minimise distortion. The drive units’ high motor strength gives the ST-218 excellent transient response, and the moving area of
EM Acoustics's own words, read from their page.
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