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Dahua Wireless Alarm Multi IO Transmitter, ARM9A4-P-W2

SKU ARM9A4-P-W2
by Dahua
Availability:
in stock, ready to be shipped

Features

  • Connection to Hub through RF or network communication.
  • 16 alarm inputs, 4 relay outputs.
  • 2 auxiliary power outputs with a maximum power of 24W for powering wired detector and siren, and support overload and short circuit detection.
  • POE, AC power and rechargeable battery (optional) three power supply options.
Original price $0
Original price $227.15 - Original price $227.15
Original price
Current price $227.15
$227.15 - $227.15
Current price $227.15

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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:


🔧 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 Security Warranty
    • Dahua security products are covered by a 3 year Manufacturer Warranty.
    • Exclusion are labour for installed by others.
    • CTC Communications provides a 1 year warranty on labour when the security product is installed by our Team.
    • Freight Cost is excluded from Warranty, unless the product is dead upon arrival.

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