ONAIR ADM-19 Audio Distribution & Monitoring Unit

The ADM-19 is a professional audio distribution and monitoring unit, specifically designed for 1+1 redundant broadcast systems. Its primary function is to take one audio input and deliver two outputs, ensuring reliable redundancy and seamless integration into any broadcast chain.

With support for analog Left/Right, MPX, and AES/EBU audio, plus an integrated audio player for backup, the ADM-19 guarantees uninterrupted audio delivery. Monitoring is available both locally and remotely via the built-in VU-meter and web server.

Usage

• 1+1 redundant broadcasting
• Audio monitoring and backup
• Transmitter control via GPIO (compatible with transmitters from other manufacturers)

Key Features

• Audio Distribution: 1 input split into 2 outputs
• Each output supports XLR Left/Right Balanced, AES/EBU, MPX, RDS connections
• Input Level: +8 dBu (2 Vrms) L/R
• Amplified Outputs: Audio amplifier ICs compensate for signal loss
• Integrated Audio Player: Plays URLs and audio files (VLC-supported formats)
• Monitoring: Local VU-meter, remote listening via web server
• Control & Integration: Onair Cloud System (osc.onair.com.tr), built-in web server, SNMP

Specifications

Electrical:

• 88–264 V AC (mains input)
• 5 V, 1.2 A USB output

Internet & Networking:

• Max. 150 Mbps Wi-Fi (2.4 GHz, up to 254 clients)
• 3G/4G USB modem support (USB 2.0)
• 10/100 Mbps Ethernet connection

Monitoring Inputs/Outputs:

• 2 × 6.35 mm stereo jack (main & remote monitor)
• 1 × RCA main audio monitor

Advantages

• Reliable redundancy for broadcast audio systems.
• Integrated backup player ensures uninterrupted audio.
• Flexible monitoring both locally and remotely.
• Seamless integration with Onair Cloud and SNMP control.
• Professional connectivity with balanced, digital, and MPX/RDS outputs.