NCL-4
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) Bypass-16Ω |
| 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) |