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Audio-Technica U891RCb: Cardioid Condenser Boundary Microphone
Model U891RCb
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- Cardioid condenser boundary microphone with touch-sensitive capacitive-type user switch
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording
- The capacitive touch switch can be set to any of three operating modes: touch on/off, touch to talk
- Integral, phantom-powered, two-state RGB LED indicator, which can be controlled locally or remotely
Product Overview
Overview
The Audio-Technica U891RCb is a cardioid condenser boundary microphone. A wide-range condenser microphone with a cardioid polar pattern, the U891RCb is equipped with local and remote switching options. Locally, the microphone's touch-sensitive capacitive-type user switch can be set to three operating modes: touch-on/touch-off, press to talk, and press to mute.
Corporate AV supplies, installs and supports the Audio-Technica U891RCb across India. Request a quote for supply, installation and commissioning.
Key features
- Cardioid condenser boundary microphone with touch-sensitive capacitive-type user switch
- Designed for surface-mount applications such as high-quality sound reinforcement, professional recording
- The capacitive touch switch can be set to any of three operating modes: touch on/off, touch to talk
- Integral, phantom-powered, two-state RGB LED indicator, which can be controlled locally or remotely
- Superior off-axis rejection for maximum gain before feedback
- PivotPoint rotating output connector allows cable to exit from either the rear or the bottom of the microphone
- Small-diameter UniPoint element near boundary eliminates phase distortion and delivers clear
- Available interchangeable elements permit angle of acceptance from 100° to 360°
Why choose the U891RCb
It is a cardioid condenser boundary microphone, a boundary microphone built for tables, lecterns and surfaces in meeting rooms. Corporate AV adds a site survey, installation and support across India, so the U891RCb is specified and set up for your space and not just shipped.
Product Highlights
Key Benefits
Cardioid condenser boundary microphone with touch-sensitive capacitive-type user switch
Designed for surface-mount applications such as high-quality sound reinforcement, professional recording
The capacitive touch switch can be set to any of three operating modes: touch on/off, touch to talk
Integral, phantom-powered, two-state RGB LED indicator, which can be controlled locally or remotely
Superior off-axis rejection for maximum gain before feedback
Use Cases
Ideal Applications
Conference tables and boardrooms
Lecterns and podiums
Courtrooms and council chambers
Houses of worship
Technical Details
Technical Specifications
Audio
Element
Fixed-charge back plate, permanently polarized condenser
Polar Pattern
Cardioid
Frequency Response
20-20,000 Hz
Low Frequency Roll Off
80 Hz, 18 dB/octave
Open Circuit Sensitivity
-34 dB (19.9 mV) re 1V at 1 Pa
Dynamic Range
104 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio
68 dB, 1 kHz at 1 Pa, A-weighted
Switches
Activation: on/off Switch function: touch on/off, momentary on, momentary off Control: local, remote, LED remote LED Color: mic on, mic off Flat, roll-off
Optional Interchangeable Elements
UE-H hypercardioid (100°) UE-O omnidirectional (360°)
Connectivity
Maximum Input Sound Level
130 dB SPL, 1 kHz at 1% T.H.D.
Physical and power
Phantom Power Requirements
11-52V DC, 9.3 mA
Weight
253 g (8.9 oz)
Cable
25.0' (7.6 m) long, 0.13" (3.2 mm) diameter, 5-conductor shielded cable (2 conductors under shield; 3 control wires outside shield); TA5F-type connector at microphone end,
Dimensions
0.91" (23.0 mm) H x 3.30" (83.9 mm) W x 4.25" (108.0 mm) D
Output Connector
Microphone: TB3M-type Cable: Unterminated
Accessories Included
Soft protective pouch
Other specifications
Category
Boundary Microphone, Audio-Technica
In The Box
What's Included
Soft protective pouch
Why CorporateAV?
Sourced right. Installed right.
Genuine Manufacturer Stock
Every unit sourced through authorized distribution, backed by manufacturer warranty.
Expert AV Integration
Paired correctly with compatible systems and your room's existing AV infrastructure.
Pan-India Delivery & Support
On-site installation and ongoing technical support wherever your project is based.
More Details
Additional Information
Why Buy The U891RCb From Corporate AV?
- Genuine Audio Technica stock with manufacturer warranty support
- Custom pricing for bulk and multi-room / multi-site rollouts
- Local after-sales support — a real team you can call or WhatsApp, not a call centre
- Expert guidance on product selection and deployment planning
- Professional installation across Bangalore, Hyderabad, Mumbai, Delhi NCR, and the wider India region
Distribution
Corporate AV supplies and installs Audio Technica products across Bangalore, Hyderabad, Mumbai, Delhi NCR, Chennai, Pune, Kolkata, Ahmedabad, and the wider India region.
Frequently Asked Questions
What is the Audio-Technica U891RCb?
The Audio-Technica U891RCb is a cardioid condenser boundary microphone. A wide-range condenser microphone with a cardioid polar pattern, the U891RCb is equipped with local and remote switching options. Locally, the microphone's touch-sensitive capacitive-type user switch can be set to three operating modes: touch-on/touch-off, press to talk, and press to mute.
Who is the Audio-Technica U891RCb best suited for?
The U891RCb suits conference tables and boardrooms, lecterns and podiums and courtrooms and council chambers. Corporate AV can advise whether it is the right fit for your space.
Can Corporate AV supply multiple Audio-Technica U891RCb units for a rollout?
Yes. Corporate AV supplies and integrates the Audio-Technica U891RCb in single units and multi-room rollouts across India, with a site survey, installation, commissioning and support.
How do I get a quote for the Audio-Technica U891RCb in India?
Use the Request a Quote button on this page or contact Corporate AV with your room details and quantity, and a consultant will respond with a quotation for supply and installation.
What accessories are included with the Audio-Technica U891RCb?
Audio-Technica lists these included accessories: Soft protective pouch.
What power does the Audio-Technica U891RCb need?
Audio-Technica specifies 11-52V DC, 9.3 mA for the U891RCb.
What is the polar pattern of the Audio-Technica U891RCb?
Audio-Technica lists the U891RCb polar pattern as Cardioid.
