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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
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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:
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Integrating wired security zones into wireless setups
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Powering wired peripherals like detectors and sirens
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Large-scale or mixed wired/wireless installations
📲 Compatible With:
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Dahua Wireless Alarm Systems
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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?
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✅ Fixed-price alarm installations by licensed security technicians
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✅ Available across Sydney Metropolitan Areas
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✅ Discounted rates for Seven Hills Area
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✅ Send us your house plans for tailored coverage advice
🛒 Why Choose CTC Security?
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✅ Certified Dahua Reseller
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✅ Trusted Industry Experts for Over 30 Years
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✅ Fast Shipping Australia-Wide
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✅ 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
Standard Shipping is a $17.50 flat rate for all orders
Express Shipping $40.00
Delivery Policy
All prices displayed on this website exclude shipping costs
Despatch Time
Orders are dispatched Monday – Friday from 8am – 5pm within 2-4 business days and shipping times are estimated at between 3-7 business days depending on your location within Australia.
Transit Times
Postal transit times may can vary depending upon your destination and other social aspects, including impacts from COVID-19, Some items are taking a little longer than usual right now due to high parcel volumes and ongoing COVID-19 restrictions.
P.O Boxes
We cannot ship to PO Boxes.
Order Confirmation
After placing an order, you will receive an order confirmation by e-mail. This means we’ve received your order in our system and have pre-authorised your credit card for the purchase. If your item is back-ordered or otherwise unavailable, we will void the pre-authorisation charge and contact you to inform you by e-mail. If your item(s) are available for immediate shipment (within 2 days), we will process the charges and submit the order for shipment.
Tracking Numbers will be sent to your email once your order has shipped.
In some cases, we may need to contact you before your order can be shipped. To ensure there is no delay, please respond to any email/phone call from our Customer Service team.
We proudly use the following Shipping Methods
Australia Post & Couriers Please.
