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Professional Audio Shop Established Since 1996
Omnidirectional condenser boundary microphone with switch, RGB LED and integral power module, phantom power only
Achieve clear, intelligible speech reproduction and easy local switching with the black Audio-Technica U891RbO, an omnidirectional condenser boundary microphone optimized for surface-mount applications in conference rooms, houses of worship, recording studios, live event venues, and sports arenas. The local touch-sensitive switch offers three modes for customizable control of talk/mute functions, and the microphone's on/off status is indicated by a two-state RGB LED. The high-output condenser element yields a wide frequency response of 20 Hz to 20 kHz, which can be modified via the switchable 80 Hz low-cut filter—ideal for mitigating rumble and low-frequency buildup.
The omnidirectional polar pattern delivers sound pickup from all directions, allowing consistent capture of ambience and multiple sources in the same room. Thanks to the UniGuard RFI-shielding technology, the U891RbO impedes radio frequency interference from sources such as wireless devices, fluorescent lights, air conditioners, and more. It can be powered by 11 to 52 VDC phantom power, so no batteries or external power supplies are required. The rotatable balanced TB3M output connects to the included 25' TA3F to XLR microphone cable, ensuring easy hookup to your mixer, preamplifier, or audio interface.
Sound Field | Mono |
Operating Principle | Pressure Operated |
Capsule | Electret Condenser |
Circuitry | Solid-State |
Polar Pattern | Omnidirectional |
Frequency Range | 20 Hz to 20 kHz |
Signal-to-Noise Ratio | 73 dB A-Weighted |
Maximum SPL | 128 dB SPL |
Pad | None |
Impedance | 50 Ohms |
Sensitivity | -31 dBV/Pa |
Low-Cut Filter | 18 dB/Octave @ 80 Hz |
Dynamic Range | 107 dB |
Output Connectors | 1 x TB3M |
Cable Length | 25' / 7.62 m |
Operating Current Consumption | 9.3 mA |
Operating Voltage | 11 to 52 V |
Dimensions (W x H x D) | 3.3 x 0.9 x 4.3" / 83.9 x 23 x 108 mm |
Weight | 8.92 oz / 253 g |
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unused, with all accessories and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at boutique@seconcept.com. If your return is accepted, we’ll send you a return shipping label (at your expenses) as well as instructions on how and where to send your package back. Items sent back to us without first requesting a return will not be accepted and not refunded.
You can always contact us for any questions prior to purchase by email at: boutique@seconcept.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
All Returns must contain all associated packaging and materials (ie accessories, manuals, wires, etc). Merchandise that is not returned in brand-new condition, including damages, abuse, marks, showing wear, or with missing packaging or accessories, will be subject to additional charges. Shipping and Handling charges (delivery and return) are non-refundable, including any shipping fees not directly incurred that are part of a free shipping promotion. Any items packaged with software, including but not limited to, DJ Controllers, Audio Interfaces, etc., must be returned with the original software disc including serial number and proof of deactivation.
We cannot accept returns on liquidation, special orders, liquid, needles, parts, used, sales, open box item or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
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Omnidirectional condenser boundary microphone with switch, RGB LED and integral power module, phantom power only
Achieve clear, intelligible speech reproduction and easy local switching with the black Audio-Technica U891RbO, an omnidirectional condenser boundary microphone optimized for surface-mount applications in conference rooms, houses of worship, recording studios, live event venues, and sports arenas. The local touch-sensitive switch offers three modes for customizable control of talk/mute functions, and the microphone's on/off status is indicated by a two-state RGB LED. The high-output condenser element yields a wide frequency response of 20 Hz to 20 kHz, which can be modified via the switchable 80 Hz low-cut filter—ideal for mitigating rumble and low-frequency buildup.
The omnidirectional polar pattern delivers sound pickup from all directions, allowing consistent capture of ambience and multiple sources in the same room. Thanks to the UniGuard RFI-shielding technology, the U891RbO impedes radio frequency interference from sources such as wireless devices, fluorescent lights, air conditioners, and more. It can be powered by 11 to 52 VDC phantom power, so no batteries or external power supplies are required. The rotatable balanced TB3M output connects to the included 25' TA3F to XLR microphone cable, ensuring easy hookup to your mixer, preamplifier, or audio interface.
Sound Field | Mono |
Operating Principle | Pressure Operated |
Capsule | Electret Condenser |
Circuitry | Solid-State |
Polar Pattern | Omnidirectional |
Frequency Range | 20 Hz to 20 kHz |
Signal-to-Noise Ratio | 73 dB A-Weighted |
Maximum SPL | 128 dB SPL |
Pad | None |
Impedance | 50 Ohms |
Sensitivity | -31 dBV/Pa |
Low-Cut Filter | 18 dB/Octave @ 80 Hz |
Dynamic Range | 107 dB |
Output Connectors | 1 x TB3M |
Cable Length | 25' / 7.62 m |
Operating Current Consumption | 9.3 mA |
Operating Voltage | 11 to 52 V |
Dimensions (W x H x D) | 3.3 x 0.9 x 4.3" / 83.9 x 23 x 108 mm |
Weight | 8.92 oz / 253 g |
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