Aiphone DA-4DS – 4-Button 2-Wire Audio Door Station | Silver Metal | Dry Contact Lock Output | 15VAC | Multi-Tenant Apartment & Commercial Intercom

The Aiphone DA-4DS 2-wire audio door station is a durable 4-button multi-tenant intercom solution designed for apartment, residential, and commercial buildings. Featuring mechanical call buttons, metal construction, and a dry contact lock output, this 15VAC powered system delivers reliable entry communication and secure door release functionality. Product Description The Aiphone DA-4DS is a robust 4-button surface-mount audio door station engineered for multi-tenant entry security systems. Designed for use with the DA Series 2-wire intercom system, this unit provides clear push-to-call communication between visitors and interior master stations. Constructed with a durable silver metal faceplate and mechanical call buttons, the DA-4DS is built for high-traffic residential complexes, apartment buildings, offices, and light commercial facilities. It features a dry contact lock output for seamless integration with compatible electric door strikes such as the EL-12S, ensuring secure and controlled access management. With simple 2-wire wiring, extended distance capability (up to 1,020 ft with 18AWG cable), and compatibility with the PT-1211C 15VAC transformer, the DA-4DS delivers professional-grade performance in an efficient and easy-to-install configuration. What’s Included in the Box 1 × Aiphone DA-4DS 4-Button Audio Door Station Mounting plate (DAW-P compatible) Mounting screws Installation & Operation Manual Main Features 4 mechanical call buttons for multi-tenant applications 2-wire connection to master station Durable silver metal construction Push-and-hold communication activation Dry contact door release output Compatible with EL-12S electric strike (12V AC/DC, 200mA) Supports wiring distances up to: 360 ft (22AWG) 1,020 ft (18AWG) Designed for indoor system integration (door station is outdoor-rated) Compatible with DA-1MD master station Technical Specifications Model: DA-4DSSystem Type: Two-Wire Electric Lock Door PhonePower Source: 15V AC (via PT-1211C transformer)Communication: Push-and-hold to callDoor Release Contact Rating: AC 9.5V ~ 20V 70Ω resistance Compatible with EL-12S strike Wiring: Door to master: 2-conductor, overall shield Recommended cable: Aiphone #822202 or #871802 Maximum Distance: 360 ft (22AWG) 1,020 ft (18AWG) Operating Temperature: Door Station: -10°C to +60°C Dimensions: 175H × 100W × 22D mm Approx. 270g Compatible Components DA-1MD Master Station PT-1211C 15VAC Transformer (120V input) EL-12S Electric Door Strike DAR-1 Call Extension Sounder Practical Use Scenarios Apartment complexes with up to 4 tenants per entry Office buildings with shared entrances Medical or professional suites Small commercial properties Secure residential dual or quad occupancy dwellings Warranty Information The Aiphone DA-4DS is backed by a 5-Year Manufacturer Warranty against defects in materials and workmanship under normal use. Warranty covers bench repairs only and must be handled through authorized service channels. Brand Overview Aiphone is a globally recognized Japanese manufacturer specializing in intercom and entry security systems. With decades of innovation and international distribution, Aiphone products are trusted worldwide for reliability, clarity, and long-term durability in residential and commercial security applications. Datasheets & Downloadable Resources Installation & Operation Manual 1 Installation & Operation Manual 2 Excellence for the Australian and New Zealand Market This product is ideal for Australian and New Zealand installations requiring dependable multi-tenant entry control systems. Designed to meet international quality and electrical safety standards Optimized for structured low-voltage wiring environments common in AU/NZ properties Compatible with approved 15VAC transformer configurations Sourced exclusively from authorized brand representatives Warranty support handled through direct manufacturer communication Suitable for professional installation in compliance with local electrical regulations FAQs 1. What type of wiring is required for the Aiphone DA-4DS (871802)? The Aiphone DA-4DS (871802) requires a 2-conductor shielded cable between the door station and master station. Recommended cables include Aiphone #822202 or #871802. 2. What is the maximum wiring distance for the Aiphone DA-4DS (871802)? The Aiphone DA-4DS (871802) supports up to 360 ft using 22AWG wire and up to 1,020 ft using 18AWG wire. 3. What power supply is compatible with the Aiphone DA-4DS (871802)? The Aiphone DA-4DS (871802) operates on 15V AC and is designed for use with the PT-1211C AC transformer. 4. Can the Aiphone DA-4DS (871802) control an electric door strike? Yes, the Aiphone DA-4DS (871802) features a dry contact lock output compatible with electric strikes such as the EL-12S (12V AC/DC, 200mA). 5. Is the Aiphone DA-4DS (871802) suitable for multi-tenant buildings? Yes, the Aiphone DA-4DS (871802) includes four mechanical call buttons, making it ideal for apartment complexes, offices, and commercial buildings. 6. What are the dimensions of the Aiphone DA-4DS (871802)? The Aiphone DA-4DS (871802) measures 175H × 100W × 22D mm and weighs approximately 270 grams. 7. Does the Aiphone DA-4DS (871802) work during a power failure? No, the Aiphone DA-4DS (871802) system is not operational during a power failure as it requires 15V AC power

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