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Product Overview
The Bose
FreeSpace
DS 40F loudspeaker is a
®
®
high-performance, flush-mount loudspeaker
designed for foreground and background music
and speech reproduction in a wide range of
commercial applications, including retail,
restaurant and hospitality establishments. Clean,
sleek styling visually blends into ceilings. The
DS 40F loudspeaker meets numerous standards
for combination music and evacuation systems
around the world.
Product Information
The FreeSpace DS 40F flush-mount loudspeaker is
engineered for installation in ceilings up to 26ft
(8.0m) high, and is suitable for use in air handling
(plenum) spaces. An optional pendant-mount
kit allows the loudspeaker to be hung from
open ceilings.
The FreeSpace DS 40F loudspeaker can be used as
an 8-ohm, 40-watt loudspeaker or as a 70/100V
loudspeaker. Transformer taps can be set by using
an innovative thumbwheel, accessible from the
front of the loudspeaker underneath the grille.
Performance of the FreeSpace DS 40F loudspeaker
can be maximized through the use of the recom-
mended Bose loudspeaker equalization resident in
select Bose electronics or by using other equipment
with parametric equalization. The loudspeaker
can be used out of the box with a 70-Hz high-pass
filter when recommended loudspeaker equalization
is not used.
The DS 40F loudspeaker is acoustically compatible
with the DS 40SE surface-mount loudspeaker and
can be integrated on the same loudspeaker line.
The FreeSpace DS 40F loudspeaker meets numerous
standards for combination music and evacuation
systems around the world. Ceramic terminal and
thermal fuse are available for use when required.
Bose Professional Systems Division
FreeSpace
DS 40F
®
Loudspeaker
Key Features
• Maximum SPL of 103 dB-SPL (109 dB-SPL peak)
• Full-range performance from 80 Hz to 16 kHz
• 125° conical coverage pattern
• Single 4.5" (114mm) full-range HVC (Helical
Voice Coil) driver
• Quick and easy flush-mount installation
• Mounting arms accommodate ceiling
thicknesses up to 2.76" (70mm)
• Shortcan design allows installation in shallower
ceilings with minimum depth of 6.4" (163mm)
• Integrated multi-tap transformer provides
easy-to-change tap settings that are accessible
underneath loudspeaker grille:
70V – 2.5W, 5W, 10W, 20W, 40W
100V – 5W, 10W, 20W, 40W
• Can be used as an 8Ω, 40W loudspeaker
• Elegant, modern styling that blends with décor;
available in black or white and can be painted
• Can be combined with the FreeSpace DS 40SE
surface-mount loudspeaker on the same
loudspeaker line
• Listed to ANSI/UL 1480-2005
• Suitable for use in air handling (plenum) spaces
Applications
The FreeSpace DS 40F loudspeaker is well-suited for
permanent installations in:
• Retail stores
• Transportation facilities
• Hospitality venues
• Concourses
• Restaurants
• Houses of worship
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