The Soundtube's CM890d-WH is a professional two-directional,
8-inch, in-ceiling, high-efficiency, high-SPL loud-speaker
for extended or 8-ohm applications. The CM890i-WH includes a
dedicated eight-inch treated fiber driver as well as high-
power compression transducer plus a BroadBeamHP® waveguide to
route a consistent dispersion pattern as well as superb
intelligibility for the sound reinforcement, foreground
music, and PA markets. The device also incorporates an
additional Deep backcan (12.46 inch), and a 120W transformer
with a 5-position tap switch and transformer bypass position.
The Speaker includes a support cable, mounting hardware, and
tile-bridge and features a reliable and quick constant-
tension fixed-wing mounting system.