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Inovonics 661

INOmini DAB/DAB+ Monitor/Receiver

The Inovonics 661 DAB+ is Inovonics’ second-generation, small form-factor off-air monitoring receiver for EBU-specified DAB and DAB+ digital radio broadcasts.

Original price was: €1,075.Current price is: €1,015.

SKU: 105951


Introducing the Inovonics 661 DAB/DAB+ Monitor/Receiver, the next-generation solution for monitoring EBU-specified DAB and DAB+ digital radio broadcasts. Compact and feature-rich, this receiver ensures high-quality confidence monitoring and delivers dual audio feeds with independently-adjustable analog and AES digital audio outputs.

Key Features:

  • Enhanced Monitoring: The Inovonics 661 provides sensitive, DSP-based (SDR) reception for EBU Band III DAB and DAB+ digital radio broadcasts, ensuring reliable and accurate monitoring.
  • Intuitive Setup: With easy front-panel setup using jog-wheel menu navigation, configuring the receiver is straightforward, making it accessible for users of all levels.
  • Detailed Display: The large LCD display offers essential signal parameters, demodulated audio levels, alarm conditions, and program-related metadata in a clear and easy-to-read format, ensuring users have comprehensive visibility at all times.
  • Versatile Outputs: Balanced analog and AES-digital program line outputs are available simultaneously, with independently adjustable levels, providing flexibility in audio connectivity to suit various setups.
  • Alarm Notifications: Flashing-red front-panel alarms and rear-panel ‘tallies’ indicate DAB Loss, Low Signal, and Audio Loss, enabling users to promptly address transmission problems.
  • Firmware Updates: Free firmware updates, when issued, can be easily installed in the field via the front-panel mini-USB port, ensuring the receiver remains up-to-date with the latest features and enhancements.


  • Tuning Range: DAB Band III, Mode 1 (174.928MHz – 239.200MHz), covering all EBU-sanctioned frequency allocations, including Blocks 5-12, A-D, plus Block 13 A-F.
  • Antenna Input: 75-ohm (BNC), ensuring seamless integration into existing setups.
  • Sensitivity: 10dBμV for error-free reception, ensuring reliable performance in various broadcasting environments.
  • Audio Codecs: Supports MPEG-1, Audio Layer 2 (MP2), and HE-AAC (AAC+), ensuring compatibility with a wide range of audio formats.
  • Signal Parameters Displayed: Includes FQ (FIC Quality), RF (RSSI), SNR, CNR, providing comprehensive monitoring and analysis capabilities.
  • Program Audio Outputs: Offers balanced Analog (XLR) Left and Right outputs, adjustable from –15dBu to +15dBu, as well as AES Digital (XLR) output at 44.1kHz, adjustable from –30dBFS to 0dBFS, ensuring versatile audio connectivity.
  • Front-Panel Red-Flashing Alarms: Provide notifications for DAB Loss, Low Signal, and Audio Loss, with adjustable alarm thresholds and delay intervals, ensuring prompt action.
  • USB Port: Front-panel mini-USB port facilitates quick firmware updates when issued, ensuring the receiver remains optimized.
  • Power Requirement: 12VDC at 335mA, with a universal 90 – 240 VAC inline switching power supply included, ensuring compatibility with various power sources.
  • Mounting Options: Optional rack adapter accepts up to three INOmini modules in a 1U, 19-inch rack space, providing flexible installation options.
  • Size and Weight: Compact design with dimensions of 4.6cm H x 14cm W x 14cm D and a shipping weight of 1.8kg, ensuring easy integration into any setup.
  • Environmental: Designed for continuous operation at ambient temperatures between 32ºF/0ºC and 122ºF/50ºC, with 0-95% relative humidity, non-condensing, and altitudes up to 10,000ft/3,048m, ensuring reliable performance in various environmental conditions.

The Inovonics 661 DAB/DAB+ Monitor/Receiver combines advanced monitoring capabilities with user-friendly features, making it the ideal choice for broadcasters and audio professionals seeking reliable off-air monitoring solutions.