HORN/SPKR COVER, WHITE, TRUEAL

4905-9989 SIMPLEX, HORN/SPKR COVER, WHITE, TRUEAL. 
4905-9989 Simplex, Fire alarm speakers with models for ceiling or wall mount: 
 

• Four inch cone (102 mm) provides high quality tone and voice reproduction.
• Multi-tapped design provides output power of ¼, 1/2, 1, or 2 W with either 25 or 70.7 VRMS input.
• In/out wiring terminals for 18 AWG to 12 AWG.
• Mounts to 41/2 square outlet box, 1 1/21/2 deep with 1 1/21/2 deep box extension.
• Capacitor input for connection to supervised notification appliance circuits.
• Rugged, high impact, flame retardant thermoplastic housings.
• UL listed to Standard 1480.
• ULC listed to Standard S541, refer to page 4 for required minimum wattage tap per housing type.
• Compliant with NFPA 72, 520 Hz Low Frequency Signal Requirements for Sleeping Areas.

Simplex® 4902 Series speakers provide high quality sound for emergency fire alarm use as well as for background music. The moisture-repellent speaker is designed for smooth frequency response with minimal distortion. 

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