The
most powerful of these devices is the UW600 which is able to operate
at frequencies as low as 4Hz, and as high as 2KHz, and is able to
produce sound pressure levels of 190dB re 1a @ 1m. The UW600 is
available in several versions, including a dep version, a shock
rated version for influence minesweeping, a VLF version and a LF
version. The UW600 is also used in high power Subtrack
systems
The UW350 operates
from 20Hz to 20KHz providing an average SPL of 165dB re1a @ 1m. The
UW350 is also used in most Subtrack
systems.