The Audio Technica U841A UniPoint Boundary Microphone delivers exceptionally intelligible audio reproduction in a super-compact, low-profile design. Equipped with UniGuard RFI-shielding technology, this omnidirectional condenser boundary mic is designed for clear, highly intelligible sound reinforcement, professional recording, television and conferencing in surface-mount applications. The U841A flat mic has a 360° pickup angle and operates on battery or phantom power.

Audio-Technica U841A UniPoint Omnidirectional Condenser Boundary Microphone Specifications:

• Element: Fixed-charge back plate, permanently polarized condenser
• Polar Pattern: Omnidirectional in hemisphere above mounting surface
• Frequency Response: 30-20,000 Hz
• Low Frequency Roll-off: 80 Hz, 18 dB/octave
• Open Circuit Sensitivity: Phantom 39 dB (11.2 mV) re 1V at 1 Pa; Battery 40 dB (10.0 mV) re 1V at 1 Pa
• Impedance: Phantom 200 ohms; Battery 270
• Maximum Input Sound Level: Phantom 132 dB, 1 kHz at 1% T.H.D.; Battery 122 dB SPL, 1 kHz at 1% T.H.D.
• Dynamic Range (Typical): Phantom 111 dB, 1 kHz at Max SPL; Battery 101 dB, 1 kHz at Max SPL
• Signal-To-Noise Ratio: 73 dB, 1 kHz at 1 Pa
• Phantom Power Requirements: 11-52V DC, 2 mA typical
• Weight (microphone): 2.8 oz (78 g)
• Weight (Power Module): 4.9 oz. (139 g)
• Dimensions (Microphone): 2.56"diameter x 0.59 height, (65.0 mm diameter x 15.1 mm height)
• Dimensions Power Module (H x W x D): 3.31" x 2.48" x 0.87", (84.0 mm x 63.0 mm x 22.0 mm)
  
  Output Connector: 3-pin XLRM-type on cable
• Cable: 25' (7.6 m) long, permanently attached
• Accessories Furnished: AT8531 power module; battery; soft protective pouch

Audio-Technica U841A UniPoint Omnidirectional Condenser Boundary Microphone Features:

• 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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