PS-19 Audio Program Selector & Monitoring Unit

Dual-Source Audio Switching with Real-Time Monitoring and Backup Playback

The PS-19 is a professional audio program selector designed to seamlessly switch between two audio sources while offering robust monitoring and backup playback capabilities. It is ideal for multi-source broadcasting systems, where uninterrupted audio delivery and real-time control are critical.

With support for analog, MPX, and AES/EBU inputs, and integrated backup playback, the PS-19 ensures audio continuity even in the event of source failure.

Key Features

• Dual Audio Inputs + 1 Output
  Select between two audio sources and route the signal to one output.
  Supports XLR Left/Right Balanced, AES/EBU, MPX, and RDS formats.

• Backup Audio Playback
  In case of failure of the main source, the system automatically plays a preloaded audio file or streams from a remote URL using the built-in media player.

• Real-Time Monitoring

  • Monitor audio locally via headphone jack and RCA output

  • Analyze the audio signal using the built-in VU meter and web-based spectrum analyzer

• Remote Management

  • Compatible with Onair Cloud System (osc.onair.com.tr)

  • Manage switching, monitoring, and backup settings via Web GUI or SNMP

• VLC-Compatible Playback Support
  Supports popular audio file formats and streaming protocols for backup playback.

Typical Use Cases

• Multi-source radio or broadcast audio feeds

• Automatic backup and failover systems

• Audio routing in live broadcast environments

• Transmitter site audio control via GPIO

Technical Specifications

Audio Inputs/Outputs

• 2 × Audio Inputs (XLR L/R Balanced, AES/EBU, MPX, RDS)

• 1 × Audio Output (Selectable source)

• 2 × 6.35mm stereo jacks (Main and remote monitoring)

• 1 × RCA audio output for local monitoring

Audio Performance

• Input Level: 0 dBu (0.636 Vpk)

• Impedance: 8Ω input/output

• Audio directly routed from input to output when selected

Network & Connectivity

• Wi-Fi: 2.4GHz, up to 150 Mbps (max 254 clients)

• Ethernet: 10/100 Mbps

• 3G/4G USB modem support via USB 2.0

Control & Monitoring

• Front panel VU meter and LEDs for real-time status

• Buttons for manual control

• Remote control via Web interface, Onair Cloud, and SNMP

Power & Dimensions

• Power Supply: 88–264V AC

• USB Power: 5V, 1.2A

• Rack Mountable: Standard 19"

• Compact design for easy integration

Reliable Audio Switching Without Interruptions

The PS-19 ensures smooth transitions between audio sources and delivers reliable, uninterrupted audio—even in the case of primary source failure. It's the ideal solution for broadcasters who demand flexibility, redundancy, and control in a single, compact unit.