Very versatile both in application and operation.

A wide range condenser microphone with a cardioid polar pattern, the ultra-smart Audio-Technica U891RC is equipped with local or remote switching options. For flexible control in conference and boardroom installations, the unit's external contact closure ability allows a user to trigger an external device-a camera, for instance-from a switch on the microphone. Another ease-of-use feature: the microphone's electronic on-off switch can be set to three operating modes: touch-on/touch-off, press to talk, and press to mute. The mic is also equipped an 80 Hz low-cut UniSteep filter to reduce pickup of low-frequency ambient noise. Its red LED status indicator can be controlled remotely. UniGuard innovations offer unsurpassed immunity from radio frequency interference and a unique rotating PivotPoint connector changes the cable exit point-no tools required. It requires 11 to 52V DC phantom power, which operates the microphone and switch circuitry.

Audio-Technica U891RC UniPoint Cardioid Condenser Boundary Microphone with Local or Remote Switching Features:

• Designed for surface-mount applications such as high-quality sound reinforcement, conferencing, distance learning and other demanding sound pickup situations
• Ultra-quiet electronic switch can be set to any of three operating modes: "touch-on/ touch-off," "touch-to-talk" and "touch-to-mute"
• External contact closure capability permits control of remote devices from microphone switch
• External LED control allows for accurate depiction of the live status of the microphone
• PivotPoint rotating output connector allows cable to exit from either the rear or the bottom of the microphone
• Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance
• UniGuard RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
• Small-diameter UniPoint capsule near boundary eliminates phase distortion and delivers clear, high-output performance
• Heavy die-cast case and non-slip silicon foam bottom pads minimize coupling of surface vibration to the microphone
• Low-profile design with low-reflectance finish for minimum visibility

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Audio-Technica U891RC UniPoint Cardioid Condenser Boundary Microphone with Local or Remote Switching Specifications:

• Element: Fixed-charge back plate, permanently polarized condenser
• Polar Pattern: Half-cardioid, (cardioid in hemisphere above mounting surface)
• Frequency Response: 30-20,000 Hz
• Low Frequency Roll-Off: 80 Hz, 18 dB/octave
• Open Circuit Sensitivity: —34 dB (19.9 mV) re 1V at 1 Pa
• Impedance: 200 ohms
• Maximum Input Sound Level: 130 dB SPL, 1 kHz at 1% T.H.D.
• Dynamic Range (Typical): 104 dB, 1 kHz at Max SPL
• Signal-To-Noise Ratio: 68 dB, 1 kHz at 1 Pa
• Phantom Power Requirements: 11-52V DC, 2 mA typical
• Switch: Touch-sensitive control: on/off; Switch function: touch on/off, momentary on, momentary off; Flat, roll-off
• Weight: 9.4 oz (266 g)
• Dimensions: 4.25" (108.0 mm) long, 3.31" (84.0 mm) maximum width, 0.91" (23.0 mm) height
• Output Connector: TB5M-type
• 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, output end stripped and tinned for connection to electronic device
• Optional Interchangeable Elements: UE-H hypercardioid (100°); UE-O omnidirectional (360°)
• Accessories Furnished: Soft protective pouch