4902-9716

The Simplex 4902-9716 is a TrueAlert non-addressable rectangular wall-mount speaker in red housing, designed for high-quality emergency voice evacuation and fire alarm notification on 25 VRMS or 70.7 VRMS audio circuits.
It features multi-tap transformer settings (1/4W, 1/2W, 1W, 2W) for sound level optimization, moisture-repellent construction for smooth frequency response (400 Hz-4 kHz), and compatibility with Simplex 4100/4003 voice panels.
Key Specifications
Feature
Specification
Input Voltage
25 VRMS or 70.7 VRMS (jumper selectable) 
Power Taps
1/4, 1/2, 1, 2 watts ​
Sound Output
79-88 dBA @ 10 ft (1 kHz); Temporal 3 capable 
Mounting
Surface/semi-flush; 4″ square box or single-gang ​
Dimensions
7.5″ H × 5″ W × 1.3″ D (191 × 127 × 33 mm) ​
Environment
32-100°F (0-38°C); 10-95% RH ​