NWB-5

Of modern design and high qualitysound,

the NWB Series includes a

comprehensive range of 3 models that

are available in either black or white.

The speakers are equipped with 3.5", 5"

or 8" woofer plus 1" dome tweeter.

The power ranges from 20W to 80W.

Transformer are available for both 70V and 100V applications.

NWB Series complies IP55 & EN 54-24 certification.

Model   NWB-5
System type   2-Way Passive Speaker Cabinet
Standard   Certified to the European Standard EN 54-24 /2008
Loudspeaker for voice alarm systems for fire detection and fire alarm system
Environment Type   Type B (Outdoor applications)
Transducer LF   5" ferrite woofer
1.0" voice coil
Transducer HF   1' Neodymium Tweeter
Rated Noise Power (100V and 70Vline) 40W
Rated Impedance 100V line



70V line
250Ω (40W)
500Ω (20W)
1.0KΩ (10W)
2.0KΩ (5W)
122Ω (40W)
250Ω (20W)
500Ω (10W)
1.0KΩ(5W)
Bypass-8Ω
Sensitivity (500Hz-5KHz pink noise)
(100Hz- 10KHz pink noise, according to EN54-24)
(100Hz - 10KHz pink noise, converted based on EN54-24)
85dB(1W, 1m)
73dB (1W,4m)
85dB(1W, 1m)
Max SPL (100Hz- 10KHz pink noise, according to EN54-24)
(100Hz - 10KHz pink noise, converted based on EN54-24)
87dB (20W,4m)
97dB (20W, 1m)
Coverage Angle (H x V)   360°x360°(500Hz)
188°x140°(1KHz)
92°x58°(2KHz)
128x165°(4KHz)
Protection Rate   IP55
Cable Connection   Steatite terminal x 2 speaker cable (Ø6.6mm).
Finish   Enclosure : ABS + PC; Mesh speaker grill : surface-treated steel plate; Speaker Wall
bracket: surface-treated steel plate, painted joint bracket, stainless steel screw
Dimensions (L x W x D)   278x170 x172mm
(10.9" x 6.7" x6.8")
Weight   3.1kg(6.83lbs)