NCL Series features high-quality in-ceiling speakers, delivering exceptional

sound quality as well for paging and announcements as BGM.

It includes two models of two-way speaker respectively equipped with

4" and 6.5" drivers. The stylish flat grille gives invisibility of the components,

especially in rooms where discreet ceiling architecture is needed.

The dog ear flip tabs mounting system makes the speakers easy and quick

to install. The power ranges up to 30W and 60 W. It features power cable

connection including a 165 position for low impedance parallel mode.

The speakers are EN54-24 compliant.

Model NCL-4
Standard Certified to the European Standard EN 54-24:2008
Loudspeaker for voice alarm systems for fire detection and fire alarm system.
Certification Cation NO.1438-CPR-xxxx
Environmental Type TYPE A (Indoor applications)
Built-In speaker one 4" (105mm) woofer speaker, one 3/4" (19mm) tweeter speaker
Rated Noise Power and Voltage 30W (100V line and 70V line)
Rated Impedance 100V line: 328Ω (30W), 656Ω (15W),1.327KΩ (7.5W)
70Vline:164Ω (30W), 328Ω (15W),656Ω (7.5W), 1.327KΩ (3.7W)
Sensitivity 86dB (1W,1m) (100Hz - 10KHz, pink noise)
74dB (1W, 4m) (100Hz - 10KHz pinknoise) according to ENS4-24
86dB (1W,1m) (100Hz - 10KHz, pink noise) converted based on EN54-24
Frequency Response 100Hz-20KHz
Maximum Sound Pressure Level 87dB (30W,4m) (100Hz- 10KHz pink noise) according to EN54-24
99dB (30W,1m) (IOOHz - 10KHz, pink noise)converted based on EN54-24
Coverage Angle(-6dB) Horizontal: 180°(500Hz), 170°(1 kHz), 165°(2KHz), 105°(4KHz)
Vertical:180°(500Hz), 170°(1 kHz), 165°(2KHz), 105°(4KHz)
Speaker Component 4" paper cone speaker
Operating Temperature -10°cto +50°c
CableConnection 4 Pin removable female screw terminal
Finish Enclosure: Cold rolled iron plate &ABS+PC, White; Mesh speaker grill: Surface-treated steel plate, White paint
Speaker Wall bracket: Surface-treated C-shaped bracket & title support rails, white paint; Screws and Stainless steel cable
Dimensions Φ214×224mm (Φ8.43"x8.82")
Weight 2.6kg(5.73lbs)