Hikvision AX PRO DS-PS403I-WB Wireless Indoor Intercom Sounder Plus with Full Duplex Intercom, LED Indications, 105dB Adjustable Alarm Sound

Model: DS-PS403I-WB

Who This Is For

When adding voice communication and audible alert capability to a Hikvision AX PRO wireless alarm system is the priority, the DS-PS403I-WB fills that role without additional cabling runs. It suits security integrators and self-installing property owners who have already committed to the AX PRO ecosystem and need an indoor sounder that does more than emit a tone. The full duplex intercom function means two-way conversation can happen between the sounder location and the control hub or paired device - useful in residential entries, home offices, or staff areas in small commercial premises. The 105dB adjustable output covers larger indoor spaces where a standard siren volume would be insufficient or needs to be moderated for the environment. LED status indications add a visible layer of feedback alongside the audio alarm. This is a purpose-built AX PRO accessory - it is not a standalone product and requires an existing AX PRO panel to operate.

What This Device Actually Does

Who Buys This Model

• AX PRO Alarm Installers: Adding a secondary indoor sounder and intercom point to an existing AX PRO installation without running additional wiring through finished walls or ceilings.
• Residential AX PRO Owners: Homeowners expanding their AX PRO system to include a bedroom or hallway alert point with two-way communication back to the main panel location or monitoring station.
• Small Commercial Operators: Retail or office environments using AX PRO who need staff in a back-of-house area to hear alarms clearly and communicate during an event without relying on a mobile device.
• Retrofit Projects: Installers working on properties where running cables for a wired sounder is impractical - the wireless operation removes the need to open walls or route conduit through existing fit-outs.

Honest Assessment

The DS-PS403I-WB does two things well: it delivers a genuinely loud, adjustable alarm tone at 105dB indoors, and it adds full duplex intercom capability to an AX PRO installation without cable runs. For AX PRO-based systems where a secondary notification point with voice communication is needed in a separate room, it is a practical and direct solution. The wireless operation is a real advantage in retrofit scenarios where cabling is disruptive or costly. What it will not do is operate independently - it requires a Hikvision AX PRO panel and cannot be paired with other alarm brands or used as a standalone intercom. It is also indoor-only, so any covered outdoor sounder requirement needs a different unit. Buyers outside the AX PRO ecosystem should not purchase this model. The DS-PS403I-WB is available through Security Australia as part of the broader AX PRO accessories range.

Before You Buy

Quick Fit Check

• Good match if: You are running a Hikvision AX PRO system and need an indoor sounder with two-way intercom in a secondary room or zone without running additional cabling.
• Good match if: You need adjustable alarm volume for an indoor space where 105dB maximum output would be excessive in normal use but you want the headroom available for alarm conditions.
• You may need a different model if: Your installation requires an outdoor-rated sounder, a siren for a non-AX PRO alarm platform, or a standalone intercom system not tied to an alarm panel - a wired indoor/outdoor siren or a dedicated IP intercom system would be more suitable.

Key Features & Technical Specifications

Real-World Scenarios

How It Compares

• Choose this if: You need a wireless indoor sounder with genuine full duplex intercom capability already committed to the Hikvision AX PRO platform - no other alarm brand's sounder will integrate here.
• You may need a different model if: Your installation is outdoors, requires a higher-rated weatherproof siren, or you need a sounder that operates on a non-AX PRO alarm platform - a wired outdoor sounder or a platform-matched wireless siren would be more appropriate.
• Pairs well with: Hikvision AX PRO wireless detectors, AX PRO keypads, and AX PRO control hubs to form a complete wireless alarm and notification system.

Common Questions

1. Will this sounder work with any alarm panel or only Hikvision AX PRO?

   Only the Hikvision AX PRO platform. The DS-PS403I-WB uses the AX PRO proprietary wireless protocol and cannot be enrolled into any other alarm brand's system. If your existing panel is from a different manufacturer, this device will not pair or function - you would need an AX PRO hub as part of your system.

2. What does full duplex intercom mean in practice for this device?

   It means both people can speak and listen at the same time, like a normal phone call. Unlike half duplex systems that require one party to finish speaking before the other can be heard, full duplex on the DS-PS403I-WB allows uninterrupted two-way conversation between the sounder location and the connected AX PRO hub or paired device during an alarm event or routine communication.

3. Is 105dB too loud for indoor residential use?

   Not necessarily, because the volume is adjustable. 105dB is the maximum output - the installer can set the level lower to suit the room size and the occupants' needs. In a large open-plan living area or a two-storey home where the sounder needs to be heard from a distance, higher output is useful. For a small room or an environment with vulnerable occupants, the adjustable setting allows a more appropriate level.

4. Does this device require cabling to the AX PRO panel?

   No. The DS-PS403I-WB communicates with the AX PRO panel wirelessly, so no data cable or siren cable run is needed between the sounder and the panel. The device does require a local power connection at the mounting location - confirm a suitable power source is accessible at your chosen install point before mounting.

5. Can this sounder be installed outdoors under an eave?

   No. The DS-PS403I-WB is rated for indoor installation only. Outdoor environments introduce moisture, temperature extremes, and UV exposure that this device is not designed to handle. If you need a sounder for an outdoor or semi-exposed position, a weatherproof-rated outdoor siren would be the appropriate choice - Security Australia stocks AX PRO-compatible accessories across indoor and outdoor categories.

6. How many of these sounders can be added to a single AX PRO system?

   The number depends on the specific AX PRO hub model in use, as each hub has a defined maximum zone and accessory capacity. The DS-PS403I-WB occupies a wireless device slot on the panel. Check your AX PRO hub's specifications for its total wireless device limit before purchasing multiple units - exceeding the capacity means additional devices cannot be enrolled.

7. What do the LED indicators show on the DS-PS403I-WB?

   The LED indicators provide visual system status feedback at the sounder location, including armed, disarmed, alarm, and fault states. This means occupants or installers near the sounder can read the current system state without needing to walk to a keypad or open the Hik-Connect app - particularly useful in a hallway or secondary room where the panel is not visible.

Downloads & Resources

No downloads available for this product.