Queen of Audio at Audio46

Queen of Audio Margarita Electrostatic In-Ear Monitors




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Product Details

↓ Details provided by Queen of Audio

  • 2 Sonions EST + 1 Mids BA + 7mm Dynamic Driver
  • Impedance: 61 ohms
  • Sensitivity: 109dB±2db
  • Frequency Response: 5Hz-50kHz
  • Modular 6N High Purity Silvered Coated Copper Cable
  • Plug with 2.5mm, 3.5mm and 4.4mm

Technical Specification

Driver Configuration

7mm Titanium Coated Dynamic Driver provides powerful & deep diving bass, our QOA custom QA11021 BA is a mellow-toned one with wide bandwidth, working as a seamless connection between the bass & treble. The Sonion EST65DA01 compound driver comes with superior treble extension, making the listening experience even more ethereal and open.

Margarita’s love story is a profound & bittersweet one. This love could only be buried deeply in the heart. Our designer uses a deep dark paint on the remaining IEM shell to symbolise a girl’s contour and to represent the mystic night & the couple’s intense love but the sadness being left behind.

Margarita’s Phantom

“Margarit’s Phantom”comes in a warm yellow main tone. Yellow relates to our warm sunlight which brings joy & hope. It signifies us to treasure our present & to love our life. We have decorated the faceplate with yellow optical particles, the salt-like glowing glints hints us as the tears we shed in old times. Our designer outlines subtle line to blend all these into the design.

Tuning Concept

Margarita miraculously blends the striking Tequila taste, bitter lime & salted cocktail glass together to fulfil taste. QOA sound engineer picks 1 DD + 1 BA + 2 EST drivers for the combination, utilizing DD bass capability & EST silk like trebles, and adding the BA for connection between these 2 frequency range, thus blending the overall frequency distribution, resulting in a seducing listening experience.


We have adopted 2 strikingly unique designs for Margarita: “Margarita’s Phantom” & “Fragment of Memories” with different colour variations. In order to provide more comfortable fitting on our IEM shell, we have adopted ergonomics and computerized calculations in the design process & demo shells. After tenths of nozzles length & IEM chamber measurement changes, we have finalised this precision 3D printed IEM shell that could fit our requirements to provide most comfort and acoustic superiority performance .

What’s In The Box 


  • Foam Eartips : Even better isolation from the closer fit
  • Bass Enhancing Eartips : Enhancing bass for more powerful punch
  • Balanced Eartips : Bringing you the music how it should be heard

Weight Of Earbuds

  • Each earbud weight is only about xx g, which is as light as there is nothing even wear for a long time, so you can enjoy music as you like.

Nozzle size

  • The sound nozzle diameter is about 6.23mm, which fits most eartips on the market, giving the earphones more possibilities

Package Contents

  • One pair of QoA Margarita in-ear monitors.
  • One Modular 6N high purity silvered coated copper.
  • Modular Adapter 4.4mm, 3.5mm, 2.5mm
  • Seven pairs Custom ear tips.
  • Two pairs of Foam tips.
  • PU Case with inner velvet protection.
  • User Manual

Product Reviews



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