The Beyerdynamic Opus 681 Wireless Handheld Microphone System is an ideal solution for vocalists and presenters. The Opus 681 features the NE 600 S diversity receiver and SEM 681 handheld microphone transmitter with EM 981 S microphone capsule. The capsule's electret condenser element and cardioid polar pattern feature a high degree of sensitivity and a generous pickup area without noise. The Opus 681 features true diversity reception and 16 user selectable UHF frequencies for stable, interference-free wireless signal on stage, rehearsals and in the studio. The transmitter operates for up to 20 hours on a pair of 1.5V AA alkaline batteries. The transmitter features a silent on/off switch and gain level adjustment.
NE 600 S Receiver
1-channel true diversity receiver (UHF)
Rugged 9.5" metal housing
16 pre-programmed UHF frequencies
AutoScan/ACT-function
PLL-synthesized technology
Adjustable Squelch
Pilot tone recognition
Removable antennas (TNC), antenna sockets with power supply (+8V) for remote antenna amplifiers
Audio outputs: 1 output (3-pin XLR male, balanced) and 1 output (6.35mm jack, unbalanced), with MIC/LINE level switch
SEM 681 Handheld Transmitter with EM 981 Microphone Head
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 - 18,000Hz