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Dahua ARM9A4-P-W2 Wireless Alarm Multi IO Transmitter

Dahua ARM9A4-P-W2 Wireless Alarm Multi IO Transmitter

Dahua Wireless Multi IO Transmitter – ARM9A4-P-W2

Expand Your Security System with Powerful IO Integration

The Dahua ARM9A4-P-W2 Wireless Multi IO Transmitter is an advanced interface module designed to connect multiple wired devices to your wireless alarm system. With 16 alarm inputs, 4 relay outputs, and dual auxiliary power outputs, this versatile unit is ideal for large-scale residential, commercial, or industrial security applications.

Offering flexible communication, intelligent power management, and multiple power supply options, the ARM9A4-P-W2 enables seamless integration of wired components into your Dahua wireless ecosystem.


🔧 Key Features

  • 16 Alarm Inputs & 4 Relay Outputs
    Easily connect a range of sensors, detectors, or control devices to your system, expanding its reach and capabilities.

  • 2 Auxiliary Power Outputs (24W Total)
    Power external wired detectors or sirens directly from the transmitter. Includes overload and short-circuit protection for enhanced safety.

  • Flexible Power Supply Options
    Choose from PoE, AC power, or an optional rechargeable battery to suit your installation environment.

  • Stable RF or Network Communication
    Supports wireless RF or wired network connection to the Dahua alarm hub, providing installation flexibility and system stability.


📲 Ideal For:

  • Integrating wired security zones into wireless setups

  • Powering wired peripherals like detectors and sirens

  • Large-scale or mixed wired/wireless installations


📲 Compatible With:

  • Dahua Wireless Alarm Systems

  • Ideal for use with models such as the ARC3800H-FW2 Wireless Alarm Hub and other W2 series peripherals.


🔧 Professional Installation Available

Need help installing your Dahua Wireless Alarm System?

  • ✅ Fixed-price alarm installations by licensed security technicians

  • Free quote available – [click here to request]

  • ✅ Available across Sydney Metropolitan Areas

  • Discounted rates for Seven Hills Area

  • ✅ Send us your house plans for tailored coverage advice.


    🛒 Why Choose CTC Communications?

    • ✅ Certified Dahua Reseller

    • ✅ Trusted Industry Experts for Over 30 Years

    • ✅ Fast Shipping Australia-Wide

    • ✅ Licensed Sydney-Based Technicians Available

    🔐 Upgrade your security system with the power and flexibility of the Dahua ARM9A4-P-W2—available now at CTC Communications.


    Blog Resources – Learn More About Home Security

    🔹Pet-Friendly Home Security Systems: What You Need to Know

    🔹Common Mistakes Homeowners Make When Installing Security

    🔹How to Enhance Home Security with CCTV and Intercom Integration

    $146.50
    Dahua ARM9A4-P-W2 Wireless Alarm Multi IO Transmitter
    $146.50

    Product Information

    Shipping & Returns

    Description

    Dahua Wireless Multi IO Transmitter – ARM9A4-P-W2

    Expand Your Security System with Powerful IO Integration

    The Dahua ARM9A4-P-W2 Wireless Multi IO Transmitter is an advanced interface module designed to connect multiple wired devices to your wireless alarm system. With 16 alarm inputs, 4 relay outputs, and dual auxiliary power outputs, this versatile unit is ideal for large-scale residential, commercial, or industrial security applications.

    Offering flexible communication, intelligent power management, and multiple power supply options, the ARM9A4-P-W2 enables seamless integration of wired components into your Dahua wireless ecosystem.


    🔧 Key Features

    • 16 Alarm Inputs & 4 Relay Outputs
      Easily connect a range of sensors, detectors, or control devices to your system, expanding its reach and capabilities.

    • 2 Auxiliary Power Outputs (24W Total)
      Power external wired detectors or sirens directly from the transmitter. Includes overload and short-circuit protection for enhanced safety.

    • Flexible Power Supply Options
      Choose from PoE, AC power, or an optional rechargeable battery to suit your installation environment.

    • Stable RF or Network Communication
      Supports wireless RF or wired network connection to the Dahua alarm hub, providing installation flexibility and system stability.


    📲 Ideal For:

    • Integrating wired security zones into wireless setups

    • Powering wired peripherals like detectors and sirens

    • Large-scale or mixed wired/wireless installations


    📲 Compatible With:

    • Dahua Wireless Alarm Systems

    • Ideal for use with models such as the ARC3800H-FW2 Wireless Alarm Hub and other W2 series peripherals.


    🔧 Professional Installation Available

    Need help installing your Dahua Wireless Alarm System?

    • ✅ Fixed-price alarm installations by licensed security technicians

    • Free quote available – [click here to request]

    • ✅ Available across Sydney Metropolitan Areas

    • Discounted rates for Seven Hills Area

    • ✅ Send us your house plans for tailored coverage advice.


      🛒 Why Choose CTC Communications?

      • ✅ Certified Dahua Reseller

      • ✅ Trusted Industry Experts for Over 30 Years

      • ✅ Fast Shipping Australia-Wide

      • ✅ Licensed Sydney-Based Technicians Available

      🔐 Upgrade your security system with the power and flexibility of the Dahua ARM9A4-P-W2—available now at CTC Communications.


      Blog Resources – Learn More About Home Security

      🔹Pet-Friendly Home Security Systems: What You Need to Know

      🔹Common Mistakes Homeowners Make When Installing Security

      🔹How to Enhance Home Security with CCTV and Intercom Integration

      Dahua ARM9A4-P-W2 Wireless Alarm Multi IO Transmitter | CTC Communications