Simplex TrueAlert S/O Wall Mount Addressable Speaker

The Simplex TrueAlert S/O wall-mounted addressable speaker is controlled via the IDNAC Signaling Line Circuit (SLC), with audio power supplied from a separate NAC circuit. It supports T-tap Class B connection for both audio and SLC, helping to reduce wiring costs and distances.

Key Features

• Clear, high-quality audio output with selectable power settings: 1/4 W, 1/2 W, 1 W, 2 W

• High Fidelity model available (200 Hz – 10,000 Hz), compliant with NFPA 72 – 520 Hz standard for sleeping areas

• Separate housing and cover with multiple color (Red, White) and labeling options (FIRE, ALERT, SIMPLEX, bilingual)

• Status LED with magnetic test capability

• Flame-retardant, durable plastic housing, ADA compliant

• Indoor and weatherproof (WP) versions available for outdoor use

Technical Specifications

• Dimensions: 139 × 128 × 38 mm

• SLC Voltage: 23 – 30 VDC

• Current Consumption: 9 mA

• Speaker Power Supply: 25 VRMS or 70.7 VRMS

• Frequency Response:

  • Standard: 400 Hz – 4000 Hz

  • High Fidelity: 200 Hz – 10,000 Hz

• Sound Pressure Level (10 ft / 3 m):

  • Standard Output (SO): 79 – 90 dBA

  • High Fidelity (HF): 76 – 86 dBA

• Sound Dispersion:

  • –3 dB = 70°

  • –6 dB = 80°

• Operating Temperature:

  • Indoor: 0°C – 49°C

  • Outdoor (WP): –40°C to 66°C

• Wiring Connection: Terminal 18–12 AWG, supports in/out wiring, UTP recommended

Compatibility

• Simplex 4100ES Fire Alarm Control Panel (EPS+ / EPS Power Supply)

• 4009 IDNAC Repeater

• Simplex Amplifiers 35W / 50W / 100W

Wall Mount Addressable Speaker – Product Selection

Standard Output (SO) Units