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Audio-Technica AT4051b Small-diaphragm Condenser Microphone

Small-diaphragm Cardioid Condenser Microphone with Phantom Power
6 Write review Item ID: AT4051
$699.00

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Audio-Technica AT4051b Small-diaphragm Condenser Microphone
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Precision Studio Microphone!

You'll find the world's best microphones at Sweetwater! The Audio-Technica AT4051 is the microphone to use for professional results in both recording and broadcast. It features exceptionally low self-noise, very high output and fast transient response.

Related Videos: AT4051b Small-diaphragm Condenser Microphone

Audio-Technica AT4051 Microphone Features:
  • Direct-coupled, balanced output ensures a clean signal even in high-output conditions
  • Accepts optional interchangeable capsules: AT4049a-EL (omnidirectional) and AT4053a-EL (hypercardioid)
  • Switchable 80 Hz hi-pass filter
  • Turned-brass microphone housing with black chrome plating
  • The AT4051b consists of two modular subassemblies: an AT4900a-48 body and an AT4051a-EL head capsule (both available separately)
  • Requires +48V phantom power

Additional Media

Audio Technica Cut Sheet
Studio Microphone Buying Guide

Warranty Info

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Tech Specs

  • Microphone Type: Condenser
  • Polar Pattern: Cardioid
  • Frequency Response: 20Hz-20kHz
  • Max SPL: 145dB (155dB w/Pad)
  • Output Impedance: 50 ohms
  • Signal to Noise Ratio: 78dB
  • Self Noise: 16dB
  • Low Cut Filter: 80Hz (-12dB/octave)
  • Pads: -10dB
  • Connector: XLR
  • Weight: 0.26 lbs.
  • Included Accessories: Stand Clamp, Windscreen, Case
  • Manufacturer Part Number: AT4051b

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Customer Reviews

4.6 out of 5

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Cleanest Small Diaphragm Mic

As a bass singer, this mic is GREAT for picking up your low notes, your "cut", and everything in between. Cleaner and more edge than other small diaphragm mic's I have used. You can't go wrong with any of the Audio Technica small diaphragm condensers. Amazing quality! These would be a great all purpose mic if you are trying to decide on one mic for your arsenal.
by Aaron Perkins on
Music background: Bass Singer, Worship, Sound, Gospel Music

Honest and Powerful

I've used this on Snare bottom, Hit-Hat, Snare top as well as cello and have always had great results. Thankfully they've added a pad to the newer versions because this mic is HOT!!!!
by Sweetwater Customer on
Music background: live sound engineer: Evanescence, Stone Temple Pilots, Zakk Wylde's Black Label Society

"Best Bang for the Buck" Winner

I work in a small home project studio recording songs (vocals, 12-string guitar, bass, trombone, piano, and percussion) and I am extremely happy with this microphone. I'm getting great full-bodied and nuanced presence out of the AT4051-b -- and this is devoting it right now to my Guild F512 (both flatpicking and strumming), using just a touch of EQ on my mids and highs. The blind shootouts on this microphone and the DPA4011, KM184, and AT4021 were all extremely favorable. What's interesting is that more than a few sound engineers confused the AT4051-b with the DPA 4011! I want to stay confused.
by Stephen Eric Berry from United States on
Music background: Listener, Writer, Composer, Musician

This mic is killer for acoustic guitar

Great buy. Glad that I got these over the KM184s. Way better buy. AT makes some really good mics for the money. I prefer them over Berliners Cm33s and Rode NT5s. A tough call on these vs. Beyerdynamic MC930.

Great mic!
by Sweetwater Customer on
Music background: Songwriter producer engineer

extreme clean

This microphone has been a life savor for both live gigs as well as recording sessions. For live stages it instantly seemed to give me more gain than the higher priced german mics. For recording pianos it gives an encridible clean sound. I liked it so much I bought several more to use.
by Sean from Houston, Texas on

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What Do Our In-house Gear Experts Think?

David Stewart

A terrific all-purpose small diaphragm condenser. The 4051 has a generally "bright" character to it, but it's not overdone (like some small diaphragm mics in this category). The overall sound is full bodied, which makes it suitable in a variety of applications: Works great on snare, drum overhead, hi-hat, room mic, acoustic guitar, and must be heard on trumpet!
See also: Condenser Mics, Audio-Technica, Audio-Technica Condenser Microphones
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