The Honeywell Morley-IAS MI-WSO-PR-N is an intelligent addressable loop-powered wall-mounted fire alarm sounder engineered for high-audibility emergency notification across commercial and industrial facilities.

• Make: Honeywell
• Model: MI-WSO-PR-N
• Device Type: Addressable Loop-Powered Wall Sounder (Non-Isolated)
• Operating Voltage: 15 to 29 VDC
• Standby Current: 120 µA
• Maximum Current Consumption: 14.5 mA (High Volume, Tone 11 at 15V)
• Maximum Acoustic Output: 99 dB(A) ±3 dB at 1 m (High Volume, Tone 8 at 24V)
• Tone Configuration: 32 selectable tones with 3 volume levels (High, Medium, Low)
• Mounting Base: B501AP standard low-profile base
• Addressing: Dual rotary decade switches
• Housing Material: Red ABS plastic
• Ingress Protection: IP24 with B501AP base; up to IP44/IP65 with compatible deep bases
• Operating Temperature: -25°C to +70°C
• Relative Humidity: Up to 95% RH (non-condensing)
• Cable Terminals: Accommodates 1.5 mm² to 2.5 mm² wiring
• Compliance: EN 54-3