FreeSpace FS2SE Surface-mount Loudspeaker
EN 54-24 Certified Ratings
EN 54-24: 2008, Loudspeaker for Voice Alarm Systems for Fire Detection and Fire Alarm Systems for Buildings
EN 54-24 Certified Ratings
1
Frequency Range
100 Hz to 10 kHz
Sensitivity (1 W @ 4 m)
70.0 dB
Measured Max. SPL @ 4 m
79.3 dB
Coverage Angle Octave Band (Hz)
500
1000
2000
4000
Horizontal Coverage
360°
185°
155°
145°
Vertical Coverage
360°
180°
165°
120°
Rated Impedance
1W
2W
4W
8W
16W
70V
4900 Ώ
2450 Ώ
1225 Ώ
613 Ώ
306 Ώ
100V
—
5000 Ώ
2500 Ώ
1250 Ώ
625 Ώ
Passive Nominal Impedance
16 Ώ
Rated Noise Power
16W
EN 54-24 Equalization
Type
Freq
Gain
Q
BW
PEQ
10900 Hz
–12 dB
10
0.144
Footnotes
1.
The specifications data was measured in an anechoic chamber, free-field. Reference plane is on the grille surface and perpendicular
to the reference axis. Reference axis is perpendicular to center of grille surface. Horizontal plane is containing the reference axis and
perpendicular to the reference plane.
On-axis Frequency Response
20
100
1000
10000
20000
Frequency (Hz)
35
40
45
50
55
60
65
70
75
80
85
90
SPL (dB)
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Framingham, MA 01701-9168 USA
PRO.BOSE.COM
AM857612 Rev. 00
June 2020
With EN 54-24 EQ
applied
