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

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