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Audio-Technica AT4033a Condenser Microphone - Cardioid, AT8449a Shock Mount

A cardioid electret studio microphone, transformerless, with a 2-micron diaphragm aged in 5 steps. It handles 145 dB SPL, 155 dB SPL with the pad, with 17 dB of self-noise, and comes with its AT8449a shock mount and protective case.

  • Electret condenser, cardioid pattern
  • 2-micron diaphragm aged in 5 steps
  • Response from 30 Hz to 20 kHz
  • 145 dB SPL, 155 dB SPL with the pad
  • 17 dB SPL self-noise
  • 80 Hz high-pass filter and -10 dB pad
  • XLR output, 48 V phantom power
  • AT8449a shock mount and case included
Ref.: AT4033a
5 106,00 DHincl. VAT

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Casablanca store
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Manoir des Roses Residence, Lot 18, El Hachmi El Filali Boulevard, Bachkou Roundabout, Casablanca

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  • Sat: 10am – 2pm
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Témara pickup point
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Hassan II Boulevard, Les Perles de Témara Residence, Building 5, Apartment 2, Témara

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  • Mon–Thu: 8.30am – 6pm
  • Fri: 8.30am – 1.30pm / 2.30pm – 6pm
  • Sat: 8.30am – 12.30pm
  • Closed on Sundays and public holidays

Payment on site: cash, bank card via terminal, certified cheque.

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  • Observed delivery time: 1 to 5 working days depending on the city.

Casablanca store

Free pickup

Available within 24 hWe bring it there and call you when it arrives

Témara pickup point

Free pickup

Available within 48 hWe bring it there and call you when it arrives

1 year warranty — free repair in Morocco if it breaks down during the warranty period

1 year manufacturer's warranty

This product is covered for 1 year by a manufacturer's warranty (the brand's official warranty). Your iris.ma invoice serves as the warranty document: keep it safe.

A problem with your product? Don't worry: contact us by phone, WhatsApp or e-mail. Depending on the brand, we direct you either straight to the repairer appointed by the brand to fix your product, or to us — and we take care of the rest.

  • If a repair is possible, it is carried out free of charge.
  • If the product cannot be repaired, the brand offers an exchange for another product.
  • If no product is available, a refund is issued as soon as the brand confirms it.

Faulty straight out of the box? Some brands offer an immediate exchange, others a repair. Contact us to find out what applies to your product.

The warranty covers breakdowns occurring under normal use, as defined by the brand's terms. Product breakage (drop, impact, liquid…) is not covered, nor are certain consumable parts.

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Accepted payment methods

Bank transfer

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Certified cheque

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Cash at a bank branch

Pay the cash in at any of the 3,400 Attijariwafa Bank branches in Morocco, to the SGM2I account no. 0268 D 000 000 426. You do not need an account there: your ID and the cash are enough.

The methods offered depend on the order total and the carrier — checkout shows the final list.

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Product overview

A studio condenser microphone for vocals and instruments: cardioid electret capsule, transformerless electronics and AT8449a shock mount included.
Capture: response from 30 Hz to 20 kHz, -32 dB sensitivity, 17 dB SPL self-noise
Capsule: 2-micron diaphragm aged in 5 steps, two-layer grille lined with foam
Settings: -10 dB pad and 80 Hz high-pass filter, up to 155 dB SPL
Connection: XLR output, 48 V phantom power required
Supplied: AT8449a shock mount and protective case
The "a" version of the AT4033, Audio-Technica's studio microphone, for vocals, overheads and amps.

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Description

Audio-Technica AT4033a · Reference AT4033a

Presence,
without a transformer.

The AT4033a is the "a" version of the AT4033, Audio-Technica's cardioid studio microphone: revised electronics and a better-suspended capsule against handling noise and vibrations. It serves vocals, overheads, woodwinds and guitar amps, in the studio, on stage or in broadcast.

Audio-Technica AT4033a condenser microphone seen from the front, matte black body
  • 17dB SPLSelf-noise
  • 145dB SPLMaximum level
  • 2µmDiaphragm thickness
  • 380gMicrophone only

A diaphragm aged before use

The diaphragm is only 2 microns thick and goes through a five-step ageing process: its characteristics stay stable over the years. Without a transformer, the electronics barely distort the low end and follow attacks quickly. Its open, symmetrical body avoids unwanted internal reflections, and a nickel-plated copper shield surrounds the capsule.

Inside the AT4033a: capsule and transformerless circuit board

A warm sound, a strong presence

A strong forward presence is this microphone's signature: a warm, flattering sound, with the transparency and detail of a condenser. It handles 145 dB SPL at 1 % distortion, 155 dB SPL with the -10 dB pad, with 17 dB SPL of self-noise and a response from 30 Hz to 20 kHz. The 80 Hz high-pass filter, 12 dB per octave, is switched on the body.

AT4033a mounted in its AT8449a shock mount on a stand

A two-layer grille

Two layers of grille surround the capsule, with a thin acoustic foam that tames sibilance and plosives. The AT8449a shock mount, for 5/8"-27 stands, and a protective case are supplied.

The AT4033a requires 48 V phantom power (3.2 mA) on its XLR input. The XLR cable is not included: plan for a balanced 3-pin cable.

Find it in the Microphone department. To record it, see the audio interfaces and the Audio-Technica range.

Values taken from the manufacturer's product page and data sheet.

Technical specifications

Technical specifications
Dimensions (W x D x H)53.4 mm diameter x 170 mm long
FeaturesTransformerless electronics, capsule protected by a nickel-plated copper shield
Microphone frequency response30 Hz to 20 kHz
Capsule diameterLarge 2-micron diaphragm, aged in 5 steps
Polar pattern selectionFixed (cardioid)
Cable lengthNone (no cable supplied)
Microphone connectionMale 3-pin XLR
Headphone outputNone
Wireless technologyNone (wired microphone)
Microphone sensitivity-32 dB (25.1 mV) re 1 V at 1 Pa
Self-noise17 dB SPL
Box contentsAT4033a microphone, AT8449a shock mount, protective case
Pop and shock protectionAT8449a shock mount supplied; two-layer grille lined with acoustic foam
Weight380 g
Product colourMatte black
Power supply48 V DC phantom power through the XLR cable (3.2 mA typ.)
Phantom power requiredYes, 48 V (3.2 mA typical)
MountingAT8449a shock mount supplied, on a microphone stand
Mounting thread5/8"-27
Technical specifications (continued)
Product typeElectret condenser studio microphone, cardioid, XLR output
Microphone typeStudio / desktop microphone
Capsule technologyCondenser
Polar patternCardioid
Microphone useVocals & stage, Instrument
Power supply includedNone (phantom power required, not included)
Wireless rangeNone (wired microphone)
Audio processingNone
Internal recordingNone
ControlsSwitches on the body: 80 Hz high-pass filter and -10 dB pad
Lighting and indicatorsNone
Low-cut filter and attenuatorSwitchable 80 Hz high-pass filter and -10 dB attenuator
Impedance100 ohms
Conversion resolutionNone (analogue microphone, no converter)
Management softwareNone
Signal-to-noise ratio77 dB (1 kHz at 1 Pa)
Dynamic range128 dB (1 kHz at maximum SPL)
Maximum sound pressure level145 dB SPL (1 kHz, 1% THD), 155 dB SPL with the pad
Warranty1 year

Specific references

MPNAT4033a

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Frequently asked questions about this product

What does "AT4033 ASM" mean?
It is the AT4033a supplied with its shock mount: SM for the shock mount included in the box. The microphone is the AT4033a, the generation that replaced the original AT4033 with revised electronics and an internal capsule suspension that reduces handling noise and vibrations.
Does the AT4033a need phantom power?
Yes, 48 V. It draws 3.2 mA typical, supplied by an audio interface, a mixer or a preamp fitted with an XLR input. Its output is balanced, low impedance, on a 3-pin XLR connector. The microphone has no USB port, and no XLR cable is supplied.
Which sources is the AT4033a used on?
It serves vocals, drum overheads, woodwinds and guitar amps, in the studio, on stage and in broadcast. A strong presence is its sonic signature. It handles 145 dB SPL, 155 dB SPL with the -10 dB pad, and its 80 Hz filter cuts unwanted low end.
What is in the AT4033a box?
The microphone, its AT8449a shock mount for 5/8"-27 threaded stands and a protective case. Under the two-layer grille, a thin acoustic foam reduces plosives and sibilance. A 3-pin XLR cable and a microphone stand or arm still need to be provided.
What is the difference between the AT4033a and the AT4040?
Both are cardioid and transformerless, with an 80 Hz filter, a -10 dB pad and the AT8449a shock mount. The AT4033a has an electret capsule and a 30 Hz to 20 kHz response; the AT4040 a polarized capsule, a 20 Hz to 20 kHz response and lower self-noise, 12 dB SPL versus 17 dB SPL.

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