Audio Distribution Splitter ACO CDNAR/U-DIN — DIN‑rail mounting audio splitter

ACO CDNAR/U-DIN is an audio distribution splitter designed for DIN-rail installation. It provides centralized audio signal routing and distribution for professional and commercial installations, enabling integration of audio sources into public address, background music and paging systems while saving space in equipment cabinets. The compact DIN-rail form factor and straightforward input/output layout support organized wiring and reliable signal splitting in environments that require robust, mounted audio distribution.

Advantages

The DIN-rail design allows the unit to be mounted alongside other control and signal devices in standard enclosures, reducing rack space and simplifying installation. The splitter offers consistent audio routing without the need for multiple amplifier outputs or complex cabling, supporting easier system layouts and maintenance. Its construction is intended for long-term installation in professional environments where secure mounting and tidy cable management are priorities.

Suitable for

• Public address (PA) systems in commercial or institutional buildings
• Background music distribution in retail, hospitality, or office spaces
• Paging and voice alarm systems requiring centralized signal splitting
• Equipment cabinets where DIN-rail mounting is preferred for space efficiency

Key specifications

• Form factor: DIN-rail mountable module for standard rail profiles
• Function: audio signal distribution/splitting for line-level sources
• Inputs/Outputs: dedicated input and multiple outputs arranged for straightforward wiring (line-level)
• Intended environment: professional and commercial fixed installations
• Mounting: secure rail attachment for organized cabinet integration

How to use

Install the ACO CDNAR/U-DIN on a compatible DIN rail inside the equipment enclosure and secure it according to standard mounting practice. Connect the line-level audio source to the unit’s input and route the outputs to downstream amplifiers, PA zones or paging endpoints. Verify connections with the system powered down where applicable, then perform testing at low volume to confirm correct routing and level matching. Adjust connected device levels as needed to achieve consistent output across zones.

Usage recommendations

Use shielded cables for audio connections in electrically noisy environments and keep input and output cabling separate from mains wiring. Ensure proper grounding of the system and verify line-level compatibility between source and downstream devices to avoid impedance mismatches. Place the splitter in an enclosure with adequate ventilation and secure mounting to reduce mechanical stress and maintain signal reliability.