
The Audio-Technica U841R is a super-compact, low-profile omnidirectional condenser boundary microphone designed for surface-mount applications. This microphone delivers exceptionally intelligible audio reproduction for environments requiring clear sound quality. The U841R operates on phantom power and includes self-contained electronics, which removes the necessity for an external power module.
Equipped with UniGuard RFI-shielding technology, the U841R provides outstanding rejection of radio frequency interference. This shielding ensures clean audio signals even in environments with high RFI presence. The self-contained electronic design simplifies setup by eliminating the need for external power modules.
The microphone features a small-diameter omnidirectional capsule positioned near the boundary to eliminate phase distortion. This design choice results in clear, high-output performance. Additionally, the unit offers superior off-axis rejection to achieve maximum gain before feedback, making it highly effective for professional audio capture.
The U841R utilizes a heavy die-cast case and a low-reflectance finish to maintain a professional, unobtrusive appearance with minimum visibility. Non-slip silicon foam bottom pads minimize the coupling of surface vibrations to the microphone, ensuring stable and clear audio capture.
This product is TAA-compliant, meeting the requirements for government and institutional procurement.
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Omnidirectional in hemisphere above mounting surface |
| Frequency Response | 40-20,000 Hz |
| Open Circuit Sensitivity | –35 dB (17.7 mV) re 1V at 1 Pa |
| Maximum Input Sound Level | 130 dB, 1 kHz at 1% T.H.D. |
| Dynamic Range | 105 dB, 1 kHz at Max SPL |
| Signal-to-Noise Ratio | 69 dB, 1 kHz at 1 Pa |
| Phantom Power Requirements | 11-52V DC, 2 mA typical |
| Weight (Microphone) | 84 g (3.0 oz) |
| Weight | 84 g |
| Cable | 7.6 m (25.0') long, 3.2 mm (0.13") diameter, 2-conductor, shielded cable with TA3F-type and XLRM-type connectors |
| Dimensions | 65.0 mm (2.56") diameter, 15.1 mm (0.59") height |
| Dimensions (Microphone) | 65.0 mm (2.56") diameter, 15.1 mm (0.59") maximum height |
| Output Connector | TB3M-type |
| Accessories Included | Soft protective pouch |
| Length | 1.1 In. |
|---|---|
| Width | 2.95 In. |
| Height | 3.4 In. |
| Weight | 0.19 lbs |
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