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OF 8
FreeSpace
®
DS 40SE
Loudspeaker
TECHNICAL DATA SHEET
Recommended Loudspeaker Equalization Curve
Mechanical Diagrams:
Detailed Product Specifications
Additional Product Information
Performance of the FreeSpace
®
DS 40SE loud-
speaker can be maximized through the use of
the recommended Bose
®
loudspeaker equalization
resident in select Bose electronics or by using
other equipment with parametric equalization.
The loudspeakers can be used out of the
box with a 70-Hz high-pass filter when
recommended loudspeaker equalization
is not used.
1– 4
See “How our Loudspeakers are Measured” on page 8.
Power handling
1
40W
Nominal Impedance (transformer bypass) 8Ω
Sensitivity
2
(at 1W @ 1m) 87 dB-SPL
Maximum SPL
3
103 dB-SPL
(pink noise @ 1m @ rated power) 109 dB-SPL (Peak)
Frequency range
4
(-3 dB) 80 Hz – 16 kHz
Beamwidth (-6 dB point, average 1– 4 kHz) 125°H x 125°V