DUNU announces their four-driver triple-hybrid EST112 IEM

DUNU Top-Sound also known as DUNU is a well-renowned audio-equipment brand based in China. They are the leading manufacturers of high-quality in-ear monitors. Back in 2013 DUNU’s first hybrid driver IEM the DN-1000 that set a new standard for hybrid driver IEMs in the industry. Ever since then DUNU has brought us several Hybrid IEMs consisting of a mixture of DD and BA units. Yesterday, They released their latest hybrid pair this time with a triple-hybrid setup consisting of a DD, BA, and two EST drivers, called the DUNU EST112. It sets a new benchmark for the hybrid IEMs with its unique triple-hybrid configuration at 489.99$.


  • Quad-driver Triple-hybrid setup.
  • Third-generation 13.5mm dynamic driver unit with beryllium coated diaphragm.
  • Custom Knowles mid-high balanced armature driver.
  • Two high-performance Sonion EST drivers.
  • All-new Aluminum alloy body with stainless steel face plates.
  • Litz braided silver-plated copper cable with DUNU’s patented Quick-Switch modular plug system.
  • Gentle & Resolving sound signature.
  • Impedance: 10Ω @ 1kHz.
  • Frequency Response: 5Hz-40kHz.
  • Sensitivity: 110±1dB @ 1kHz.
  • THD+N: <0.3% @ 1kHz.

Four-Driver Triple-Hybrid Setup:

DUNU’s latest EST112 features a four-driver triple-hybrid setup consisting of one powerful dynamic driver, one premium balanced armature driver, and two high-performance Electrostatic drivers. This is the first triple-hybrid driver IEM from DUNU featuring Electrostatic drivers.

Third-Generation Dynamic Driver Unit:

DUNU has equipped the EST112 with its third-generation 13.5mm large dynamic woofer. It has a dual-sided beryllium coating that makes the diaphragm thicker with a finer, more regular grain pattern. It helps bass and lower midrange frequencies maintain their palpable texture and separation with ultra-low distortion ratings.

Premium Knowles Balanced Armature Unit:

DUNU has been opting premium balanced armature drivers from Knowles in its hybrid IEMs for a long time now. Knowles is actually one of the well-renowned brands for BA units worldwide. The BA unit here in the EST112 presents the users with refined mid-high frequency responses. It produces lovely vocals with natural tonality and texture.

High-Performance Sonion EST Drivers:

Long gone are the days when EST drivers were only being used in high-end headphones. The technology is advancing at a rapid speed with its implementation in many flagship IEMs. DUNU has implemented two high-performance EST drivers from Sonion(a highly renowned audio driver manufacturing brand). They present a smooth, elegant, and well-detailed high and ultra-high frequency response with the EST112.

All-new Aluminum Alloy Shell:

DUNU has designed an all-new shell package that encapsulates the re-engineered driver circuitry. The ear cavities are made with a high-precision machining process using lightweight and durable aluminum alloy material. They are finished with scratch-resistant gunmetal anodizing and feature polished stainless steel faceplates for a simple yet timeless design.

High-quality Litz cable with Dunu’s patented Quick-Switch modular plug system:

DUNU bundles the EST112 with its premium DUW-02S cable. It is a high-quality Litz braided silver-plated copper cable with DUNU’s patented Quick-Switch modular plug system. Apart from the standard 3.5mm single-ended plug, the package includes 2.5mm and 4.4mm balanced termination plugs.

Price & Availability:

Dunu EST112 will officially release on March 31st 2021 for 489.99$

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