he Audio-Technica U841R delivers exceptionally intelligible audio reproduction in a super-compact, low-profile design. Equipped with UniGuard® RFI-shielding technology, this omnidirectional condenser boundary microphone is designed for clear, highly intelligible sound quality in surface-mount applications. The phantom-powered U841R is equipped with self-contained electronics, eliminating the need for an external power module.

Designed for surface-mount applications where highly intelligible sound quality is required
Small-diameter omnidirectional capsule near boundary eliminates phase distortion and delivers clear, high-output performance

Superior off-axis rejection for maximum gain before feedback
UniGuard RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
Self-contained electronics eliminate need for external power module

Heavy die-cast case and non-slip silicon foam bottom pads minimize coupling of surface vibration to the microphone
Low-profile design with low-reflectance finish for minimum visibility

MPN: U841R
UPC: 042005194124

• Element: Fixed-charge back plate, permanently polarized condenser
  
• Polar Pattern: Omnidirectional in hemisphere above mounting surface
  
• Frequency Response: 40 - 20,000Hz
  
• Low Frequency Roll-Off: 80Hz, 18dB/octave
  
• Open Circuit Sensitivity: -35dB (17.7mV) re 1V @ 1Pa
  
• Impedance: 200Ω
  
• Maximum Input Sound Level: 130dB, 1kHz @ 1% T.H.D.
  
• Dynamic Range (typical): 105dB, 1kHz @ Max SPL
  
• Signal-To-Noise Ratio: 69dB, 1kHz @ 1Pa
  
• Phantom Power Requirements: 11 - 52V DC, 2mA typical
  
• Weight (Microphone): 3.0oz
  
• Dimensions (Microphone): 2.56" diameter, 0.59" maximum height
  
• Output Connector: TB3M-type
  
• Cable: 25.0ft long, 0.13" diameter, 2-conductor, shielded cable with TA3F-type and XLRM-type connectors
  
• Soft protective pouch