Audio-Technica AT-U857QLU (U857QLU) Microphone

23.74-inch Cardioid Condenser Quick-Mount Gooseneck Mic

5.0 out of 5 stars

What's in the box:

  • Audio-Technica U857QLU Gooseneck Microphone with UniLine Series Cardioid Micropone Capsule (23") (Phantom Only)
  • Phantom Power Only
  • AT8154 Foam Windscreen
  • AT8662 UniPoint Shock Mount
  • 1 Year Warranty

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Easy-to-adjust gooseneck with virtually no memory permits quick positioning into desired shape

    With advanced capsule design coupled with carefully engineered internal electronics, The U857QLU UniLine™ condenser microphone from Audio-Technica delivers clear, consistent sound for a variety of installed applications. The 23.74 inch version of U857QU, the U857QLU features Audio-Technica's UniLine™ line-cardioid element.

    The U857QLU microphone is designed to plug directly into a panel- or desk-mounted XLRF-type connector. Its ultra-flexible, robust gooseneck permits easy adjustment into desired shape while resisting inadvertent repositioning. Featuring UniGuard™ innovations that offer unsurpassed immunity from radio frequency interference, the U857QLU accepts new interchangeable elements, available in cardioid, hypercardioid, omnidirectional and UniLine™ line cardioid polar patterns. The phantom-powered microphone also offers an 80 Hz low-cut UniSteep® filter that reduces pickup of low-frequency ambient noise.


  • Designed for high-quality sound reinforcement, professional recording and broadcasting
  • UniLine™ polar pattern provides narrow 90° acceptance angle
  • Superior off-axis rejection for maximum gain before feedback
  • UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
  • Easy-to-adjust, rugged, small-diameter, alternating gooseneck with virtually no "memory" permits quick positioning into desired shape
  • UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
  • Self-contained electronics eliminate need for external power module
  • Accepts interchangeable elements to permit angle of acceptance from 90° to 360°
  • Two-stage foam windscreen yields dramatically improved resistance to P-pops and other breath blasts
  • Quick-mount design with 3-pin XLRM-type connector insert at base plugs into any standard XLRF-type surface or cable connector
  • Included shock mount attenuates noise, shock and vibration transmitted through the mounting surface

Specifications for the Audio-Technica AT-U857QLU

{ "ELEMENT" : "Fixed-charge back plate, permanently polarized condenser", "POLAR PATTERN" : "Line Cardioid", "FREQUENCY RESPONSE" : "30-20,000 Hz", "LOW FREQUENCY ROLL-OFF" : "80 Hz, 18 dB/octave", "OPEN CIRCUIT SENSITIVITY" : "-35 dB (17.7 mV) re 1V at 1 Pa", "IMPEDANCE" : "250 ohms", "MAXIMUM INPUT SOUND LEVEL" : "135 dB SPL, 1 kHz at 1% T.H.D.", "DYNAMIC RANGE (typical)" : "115 dB, 1 kHz at Max SPL", "SIGNAL-TO-NOISE RATIO" : "74 dB, 1 kHz at 1 Pa", "PHANTOM POWER REQUIREMENTS" : "11-52V DC, 2 mA typical", "SWITCH" : "Flat, roll-off", "WEIGHT" : "5.9 oz (167 g)", "DIMENSIONS" : [ "23.74" (603.0 mm) long, ", "0.48" (12.2 mm) head diameter, ", "0.74" (18.9 mm) base diameter" ], "OUTPUT CONNECTOR" : "Integral 3-pin XLRM-type", "OPTIONAL INTERCHANGEABLE ELEMENTS" : [ "UE-C cardioid (120°); ", "UE-H hypercardioid (100°)", "UE-O omnidirectional (360°)" ], "ACCESSORIES FURNISHED" : [ "AT8154 two-stage foam windscreen", "AT8662 shock mount" ], "AUDIO-TECHNICA CASE STYLE" : "M35" }

Read 1 review for the AT-U857QLU Microphone

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Henry - Orofino Seventh day Adventist Church
This microphone has performed in all the ways it was claimed to do. It has done what we needed it to do. It has never given any problems. The most satisfying feature is that it picks up sound three or four feet away such as when a group is surrounding it. I recommend it for small church and meeting situations.