Audio-Technica U891RCb microphone
- Premium cardioid boundary microphone for conferencing & meeting rooms
- Fixed-charge condenser element delivers clean, natural voice clarity
- Wide 20–20,000 Hz frequency response for accurate vocal pickup
- Touch-sensitive switch with multiple control modes
- Remote-controllable LED indicator for mic ON/OFF status
- 80 Hz low-cut filter reduces hum, rumble & table vibration noise
- Uni Guard RFI shielding prevents wireless interference
- High sensitivity and 104 dB dynamic range for professional audio
- Handles up to 130 dB SPL without distortion
- Works with 11–52V phantom power
- Includes 25 ft (7.6 m) shielded 5-conductor cable
- Rugged low-profile design ideal for table and podium installation
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
The Audio-Technica U891RCb is a premium cardioid condenser boundary microphone designed for high-clarity voice pickup in conference rooms, boardrooms, lecture halls, council chambers, and corporate meeting spaces across India. Engineered with a high-sensitivity condenser element, touch-sensitive switch, and remote switching capability, this microphone delivers exceptional speech intelligibility for both modern AV systems and professional installations .With a wide 20 Hz–20 kHz frequency response, enhanced RFI shielding a low-cut filter, and a rugged die-cast body, ensures crystal-clear audio while eliminating unwanted hums, vibrations, and mechanical noise. The built-in LED status indicator and programmable switch modes (touch-on/off, touch-to-talk, touch-to-mute) make it ideal for interactive and hands-free environments.
- Is this microphone good for conference rooms?
A-1 Yes, the U891RCb is specifically designed for conference rooms, boardrooms, and lecture halls where clear voice pickup and noise reduction are essential.
- Does the microphone have a mute option?
A-2 Yes. The built-in touch-sensitive control supports multiple modes including touch-to-mute, touch-to-talk, and toggle on/off.
- Does it work with video conferencing systems like Zoom or Teams?
A-3 Absolutely. It connects through mixers or DSPs that feed into conferencing software such as Zoom, Teams, Meet, WebEx, etc.
- Will it pick up noise from the table?
A-4 No. The microphone features silicone vibration-isolating pads and a low-cut filter, significantly reducing table noise and mechanical rumble.
- Does it require phantom power?
A-5 Yes. The U891RCb operates on 11–52V phantom power, supported by most professional audio mixers and AV processors.
Specifications
| Element Type | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Cardioid (optimized for front voice pickup) |
| Frequency Response | 20 – 20,000 Hz |
| Low-Frequency Roll-Off | 80 Hz, 18 dB/octave (switchable) |
| Open Circuit Sensitivity | –34 dB (19.9 mV) re 1V at 1 Pa |
| Maximum Input SPL | 130 dB SPL, 1 kHz at 1% T.H.D. |
| Dynamic Range | 104 dB, 1 kHz at Max SPL |
| Signal-to-Noise Ratio | 68 dB, 1 kHz at 1 Pa, A-weighted |
| Phantom Power Requirement | 11–52V DC, 9.3 mA |
| Switch Options | Touch-sensitive activation: On/Off • Modes: Momentary On, Momentary Off, Touch-On/Off • Control: Local, Remote • LED: Remote color indication (Mic ON / Mic OFF) |
| LED Indicators | Configurable LED color for mic active/inactive status |
| Weight | 253 g (8.9 oz) |
| Cable | 25 ft (7.6 m), 5-conductor shielded cable (TA5F connector at mic end; unterminated output end) |
| Dimensions | 0.91″ (H) × 3.30″ (W) × 4.25″ (D) • (23.0 × 83.9 × 108.0 mm) |
| Output Connector | Microphone: TB3M-type • Cable Output: Unterminated |
| Optional Interchangeable Elements | UE-H Hypercardioid (100°) • UE-O Omnidirectional (360°) |
| Included Accessories | Soft protective pouch |
| Mounting Style | Low-profile boundary design for table and surface installation |





















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