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beyerdynamic OPUS 681 598-622 MHz

beyerdynamic OPUS 681 598-622 MHz
Beyerdynamic Professional
SKU: BD 702641

Vocalset, comprises of NE 600 S receiver and handheld transmitter SEM 681 (electret condenser, cardioid)

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Incl. Tax: €640.00 Excl. Tax: €533.33
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The SEM 681 condenser handheld transmitter features studio quality for stage applications. The interchangeable EM 981 microphone head ensures an excellent sound with a warm bass, balanced mids and transparent highs. Also suitable for miking speech in permanent installations.

The Opus 600 wireless system is recommended for stage performances and small installations (hotels, sports halls, churches etc.). It meets all technology and transmission quality requirements while still being very reasonably priced.

The Opus 600 wireless system is equipped with the automatic frequency setting function, has 16 pre-programmed UHF frequency settings and can be operated with up to 16 channels per frequency range (depending on environment and specific national regulations), simultaneously and with no interference. The latest true-diversity technology, pilot signal detection and adjustable squelch ensure reliable transmission and noise-free reception.


  • NE 600 S true diversity receiver
  • SEM 681 handheld transmitter
  • Batteries
  • Rack mount material
  • Soft case

Additional Information / beyerdynamic OPUS 681 598-622 MHz

Brand Beyerdynamic Professional
Microphone type wireless microphone system
Connection No
Microphone Characteristics cardioid
On-off switch yes
Advanced Features on/off button, switchable channels
Wireless channels 1
Accessories included antenna, power supply


  • 1-channel true diversity receiver (UHF)
  • Rugged 9.5" metal housing
  • 16 pre-programmed UHF frequencies
  • AutoScan/ACT-function
  • PLL-synthesised technology
  • Adjustable Squelch
  • Pilot tone recognition
  • Removable antennas (TNC), antenna sockets with power supply (+8 V) for remote antenna amplifiers
  • Audio ouputs: 1 AF ouput (3-pin XLR male, balanced) and 1 AF output (6,35 mm jack, unbalanced), with MIC/LINE level switch


  • Modular design with interchangeable microphone capsules
  • On/Off switch
  • Power on LED
  • Plastic housing
  • ACT function (Automatic Channel Targeting) for automatic frequency setting
  • Integrated antenna
  • Powered by two AA-batteries (1.5 V)


  • Silver grill
  • Electret condenser microphone capsule
  • Cardioid
  • Built-in metal gaze pop shield without any foam material
  • High SPL capability
  • Switchable low-cut filter to compensate the close-miking effect
  • Frequency response 50 - 18,000 Hz
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