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Silver cylindrical side-address condenser microphone with mesh grille and body-mounted switch

Audio-Technica

Audio-Technica AT4040 Side-Address Cardioid Condenser Microphone

SKU CH-R0W5-7NTRS

A side-address cardioid condenser microphone with a large diaphragm for natural, full-bodied vocals and instruments, featuring an 80 Hz high-pass filter and 20 Hz to 20 kHz frequency response

  • Type1 qty
  • Natural full-bodied sound from a large diaphragm
  • Cardioid pattern minimises off-axis noise for clean recordings
  • 20 Hz to 20 kHz frequency response captures full audio range
  • Integral 80 Hz high-pass filter reduces low-frequency rumble
  • 100 ohm impedance ensures reliable versatile performance

Product Identity

The Audio-Technica AT4040 is a side-address cardioid condenser microphone built for studio recording. Its large diaphragm captures vocals and instruments such as pianos, guitars and strings with natural, full-bodied detail. A fixed cardioid pattern rejects off-axis sound to keep ambient noise low. The microphone operates at 100 ohms impedance across a 20 Hz to 20 kHz frequency range.

Ideal User Fit

This microphone suits engineers and musicians who need a single high-quality condenser for controlled studio work. It is not for users who require switchable polar patterns for different recording scenarios. It is not for field recordists who need battery operation or on-camera mounting. It is not for podcasters seeking a direct USB connection without an audio interface.

Deciding Specification

The integral 80 Hz high-pass filter lets you roll off low frequencies at the microphone itself. Engaging the filter reduces popping on close vocals and cuts rumble from traffic or air-handling systems. Leaving it flat preserves the full low-end response for instruments that benefit from extended bass. This switchable filter is the feature that determines whether the AT4040 matches your recording workflow.

Highlights

  • Natural full-bodied sound from a large diaphragm
  • Cardioid pattern minimises off-axis noise for clean recordings
  • 20 Hz to 20 kHz frequency response captures full audio range
  • Integral 80 Hz high-pass filter reduces low-frequency rumble
  • 100 ohm impedance ensures reliable versatile performance

Specifications

BrandAudio Technica
Model4040
Type1 qty

Questions about this item

What equipment must I already have to power this AT4040 condenser microphone?

The AT4040 is a condenser microphone that requires phantom power from an audio interface, mixer or dedicated preamp to operate.

How will the AT4040's cardioid pattern behave when I keep my existing omnidirectional room mics in the same session?

The AT4040's cardioid polar pattern minimises off-axis signals, so it will reject more ambient and residual noise than your omnidirectional mics while capturing the intended source.

How can I verify the AT4040's 80 Hz high-pass filter is engaged after setup?

Engage the integral 80 Hz high-pass filter switch on the microphone body; you will hear reduced low-frequency ambient noise such as traffic or air-handling systems and less popping on close vocals.

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