Q577 DAB+ Receiver

Q577 DAB+ Receiver
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Qbit’s Q577 is a professional 8-channel DAB+ audio receiver designed specifically for radio distribution and monitoring applications.
Based on Qbits extensive heritage in audio contribution, the Q577 DAB/DAB+ Receiver offers a professional rebroadcast and monitoring receiver for 24/7 operation of DAB and DAB+ reception.
The Q577 was designed as an easy-to-use and cost-effective backup receiver for transmitter stations as well as monitoring of DAB+ key parameters such as RF, SNR and C/N. The unit is able to receive 2, 4 or 8 services and decode them to digital (AES3) audio.
Furthermore, the Q577 converts PAD metadata to RDS, therefore offering UECP data (PS, RT, PI, PTY & CT) for rebroadcasting. 

Features & Applications


  • professional DAB+ audio receiver
  • cost-effective digital radio solution
  • receives up to 8 audio programs from DAB/DAB+ ensemble
  • broadcast quality XLR connectors
  • up to 8 RS-232 ports for RDS data (UECP)
  • programmable alarm array
  • ccontrol via front panel & display
  • remote control via web browser / SNMP


  • Monitoring of DAB services
  • Rebroadcasting
  • Audio Distribution Networks


DAB Tuner:

  • Band III support (168-240 MHz)
  • compliant with ETSI EN 300 401 and ETSI TS 102 563
  • supports both MPEG Audio Layer 2 (DAB) and HE-AAC v2 (DAB+)
  • Input connector: F-female 75 Ohms
  • Input sensitivity: 18 dBuV
  • Input return loss: > 10 dB
  • adjacent selectivity: > 48 dB
  • ensemble acquisition time: 940 ms

Audio Outputs:

  • 8x XLR connectors (male) for digital audio signals AES/EBU, electrical, XLR (IEC958)

Ancillary Data:

  • RS-232 interface (with breakout cable option)


  • 4 outputs (relay contacts), 8 inputs (photo couplers)

Network Interfaces:

  • Ethernet Interface (IEEE 802.3, RJ45, 10/100MBit/s)
    Control (Web Interface, SNMP and Ancillary Data)

System Configuration, Control and Monitoring:

  • via Ethernet by accessing the on-system HTTP web server with any internet browser
  • via Ethernet using SNMP
  • via the front-panel keyboard and display

Power Supply:

  • integrated switching power supply, input voltage: 100 to 240V +-10%, 50 to 60 Hz
  • power consumption: < 30 W


  • -48V DC power supply
  • redundant power supply


  • 19" rack mount cabinet, 1U (1RU)
  • 483 mm x 360 mm x 44 mm
  • Weight: 4,5 kg


  • Working temp. 0°C to 45°C
  • Storage temp. –20°C to 70°C
  • Humidity 20% to 90% none condensing


Q577 DAB+ Audio Receiver (Datasheet, PDF, English)

This Product was added to our catalogue on Monday 28 August, 2017.