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Pricing & Availability

  • MSRP: $300

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U841A Documentation

OmnidirectionalAudio-Technica U841A

Omnidirectional Boundary Microphone

The U841A 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 reinforcement, professional recording, television and conferencing in surface-mount applications. The U841A has a 360° pickup angle and operates on battery or phantom power.

  • Designed for surface-mount applications such as high-quality sound reinforcement, professional recording, television, conferencing and other demanding sound pickup situations
  • UniGuard™ RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
  • UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
  • Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance
  • Heavy die-cast case and silicon foam bottom pad minimize coupling of surface vibration to the microphone
  • Low-profile design with low-reflectance black finish for minimum visibility
  • Operates on battery or phantom power

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Specifications

Pickup Patterns Pads & Filters
Omnidirectional (39 dB (11.2 mV) re mV/Pa; 30-20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
n/a 200 Ohms (Low) Max SPL: 122 dB
Weight Length Max Diameter Interface(s)
78g (2.75oz) 7mm (0.28'') n/a
    Power Specifications
    • Requires phantom power
    • Has battery compartment (1.5V AA/UM3)
    • Phantom voltage: 11-52V DC, 2 mA typicalv

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