System Sensor L-Series Indoor Selectable Output Speaker SPCWL, Ceiling Mount, High Fidelity, White
Sound the alarm in every room.
A ceiling-mount, high-fidelity speaker for fire alarm systems. Field-selectable candela, voltage and wattage settings let you tune each install without swapping hardware.

A fire alarm is only as good as its warning.
Offices, schools, hotels and healthcare buildings need notification that is clear and loud enough to be heard. Installers also need parts that are quick to set up and test.
Built for faster installs
Setup features that help installers wire, test and tune the speaker on site.
Selectable candela settings
Field selectable candela settings on ceiling units: 15, 30, 75, 95, 115, 150, and 177.

Highest candela setting
Candela is field selectable on ceiling units: 15, 30, 75, 95, 115, 150, and 177.
Rotary switch setup
A rotary switch simplifies field selection of speaker voltage (25 and 70.7 Vrms) and power settings (¼, ½, 1 and 2 watts).
Test wiring before install
The universal mounting plate has an onboard shorting spring that tests wiring continuity before installation, and no extension ring is required.
Fewer ground faults
The plug-in design and protective cover reduce ground faults.
Everything you need to know.
| Brand | System Sensor |
| Model | L-Series |
| Product Type | Speaker |
| Series | L |
| Form Factor | Ceiling Mount, Flush Mount |
| Installation | Indoor |
| Color | White |
| RMS Output Power | 2W |
| Frequency Response | 400 Hz to 4000 Hz |
| Diameter | 6.8" |
| Depth | 2.60" |
| Shipping Weight | 1.6 lb |
System Sensor L-Series Indoor Selectable Output Speaker SPCWL, Ceiling Mount, High Fide...
The System Sensor SPCWL is a fire alarm notification appliance: L-Series Indoor Selectable Output Speaker (Ceiling Mount, High Fidelity, White). It is intended for fire alarm installers, integrators and facility maintenance teams who need a genuine System Sensor part for new installs, expansions or replacements.
Key Features
- Plug-in design and protective cover reduce ground faults
- Universal mounting plate with an onboard shorting spring testsWiring continuity before installation
- No extension ring required
- Field selectable candela settings on ceiling units: 15, 30, 75, 95, 115, 150, and 177
- Automatic selection of 12- or 24-volt operation at 15 and 30 candela
- Rotary switch simplifies field selection of speaker voltage (25 and 70.7 Vrms) and power settings (¼, ½, 1 and 2 watts)
- Speakers offer high fidelity and high volume sound output
- 520 Hz +/- 10% square wave tone capable with compatible FACP
- Compatible with System Sensor synchronization protocol
- Electrical compatibility with existing SpectrAlert and SpectrAlert Advance products
Specifications
- Brand: System Sensor
- Model: SPCWL
- Product Model: SPCWL
- Product Series: L
- Product Type: Speaker
- Maximum Frequency Response (Hz): 4000
- Minimum Frequency Response (Hz): 400
- Maximum Frequency Response: 4000 Hz
- Minimum Frequency Response: 400 Hz
- RMS Output Power: 2W
- RMS Output Power (W): 2
- ADI Part Number Replaces: BK-SPCW
- Model Number Replaces: SPCW
- Color: White
- Depth: 2.60"
- Form Factor: Ceiling Mount, Flush Mount
- Speaker Installation: Indoor
- Diameter: 6.8"
- Shipping weight: 1.6 lb
Typical Uses
- Audible and visible fire alarm notification
- Offices, schools, hotels, healthcare and other commercial buildings
Fire alarm devices must be installed and tested by qualified personnel in line with NFPA 72, local codes and the manufacturer's installation instructions. Please confirm that the SPCWL is compatible with your fire alarm control panel, wiring, voltage, mounting and finish before ordering. Contact us with the models of your existing devices if you need help checking compatibility.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

System Sensor L-Series, ready to order.
- Product Type: Speaker
- Series: L
- Form Factor: Ceiling Mount, Flush Mount
- Installation: Indoor
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