The Federal Signal Model 304X and 314X Explosion-Proof Amplified Speakers are designed to produce crisp, clear tones in supervised alarm notification systems. Both models are compatible with fire alarm, voice evacuation, suppression supervised control panels, and power boosters.

These amplified speakers can broadcast tones generated by a Tone Card installed into the speaker (the plug-in 32-tone UTM*) or by a central tone source in a voice evacuation or paging system. When live public address or voice messages are required, plug-in Connector Cards (AM25CK or AM70CK) interface with the Vrms of the EVAC panel. 

*ULC Canadian Fire Listed Models (-CN models) can only be used with a UTM tone card


Voltage 24VDC  
Operating Temperature -40°F to 150°F -40 °C to 66°C
Enclosure Rating Type 4X  
  304X 314X
Operating Current 0.7 amps 1.3 amps
Standby Current 0.15 amps 0.15 amps
Decibels per UL1480 95 @ 10' (105 @ 1M) 108 @ 10' (118 @ 1M)
Decibels on Axis 108 @ 10' (118 @ 1M) 112 @ 10' (122 @ 1M)
Net Weight 15.4 lbs (7.0 kg) 16.4 lbs (7.4 ks)
Heights 17" (431.80mm) 18.8" (477.52mm)
Width 13.1" (332.73mm) 16.7" (424.17mm)
Depth 16.3" (414.02mm) 19.5" (495.30mm)

Ordering Information

Model Types
Model Description UPC
304X-024 SelecTone, 24VDC, explosion proof 78297920836
314X-024 SelecTone, 24VDC, explosion proof 78297920833
Replacement Parts
Description Part Number UPC
PCBA, 30W-CLSD K2005618A-02 78297912753
Projector assembly, 14W, gray, 300X K8593100A 78297912546
Driver Assembly K8593097A
Bracket assembly, mounting, black, 300X, 304X, 302X, 314X K8593071A 78297912541
4-Position power plant board assembly K140340B 78297911296
PCBA, 15W-CLSD K2005618A-01 78297912752
Horn assembly, 30W, gray K8593101A 78297912548