Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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
-
✅ Available across Sydney Metropolitan Areas
-
✅ Discounted rates for Seven Hills Area
-
✅ Send us your house plans for tailored coverage advice
🛒 Why Choose CTC Security?
-
✅ 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 Security
Brochures
Shipping & Delivery Policy
CTC Security
31/1 Prime Drive, Seven Hills, NSW 2147
Australia-Wide Delivery
Shipping Rates
-
Standard Shipping: Flat rate of $18.49 on all orders
-
Express Shipping: Flat rate of $40.00
-
Free Shipping: Automatically applied to all orders over $750
All product prices displayed on our website exclude shipping fees.
Despatch & Handling Time
-
Orders are processed and dispatched Monday to Friday, 8:00 AM – 4:00 PM
-
Please allow 2–4 business days for order processing before dispatch
-
Once dispatched, standard shipping times are typically 3–7 business days depending on your location within Australia
Delivery Information
-
We do not deliver to P.O. Boxes
-
We use trusted courier services including Australia Post and Couriers Please
-
Transit times may vary based on your delivery address and regional courier delays
Order Confirmation & Tracking
-
After placing your order, you will receive an Order Confirmation Email
-
Once your order has shipped, a Tracking Number will be sent to your email
-
If your item is back-ordered or unavailable, we will notify you and void the pre-authorisation on your payment method
-
Orders with items in stock will be charged and shipped within the estimated despatch window
Need Assistance?
If you have any questions about your order, please don’t hesitate to contact our customer service team. Prompt responses to our emails or calls help avoid delays.
1300 552 282 or info@ctccommunications.com.au
