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
