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Hidizs MD4 4 Balanced Driver HiFi In-Ear Monitor Earphones

Product code: md4

Hidizs MD4 4 Balanced Driver HiFi In-Ear Monitor Earphones

Regular price $178.00 USD
Regular price Sale price $178.00 USD
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Four custom designed BA drivers - HIDIZS Gold Effect

The combination of four Hidizs custom balanced armature drivers, developed and tuned over years by Hidizs' professional audio team, brings acoustic appeal with evolved sonic performance.
One custom BA driver for high frequencies: delivers higher resolution and extension, crisper sound, and richer detail.
One custom BA driver for midrange: increases midrange body, power, and presence. Intoxicating texture, incredible vocals.
Two custom BA drivers for low frequencies: twice the power to inspire thick bass, incredible depth, tight response, rich textures.

High precision 3D printed straight acoustic sound construction

Redesigned internal audio transmission structure, high-precision 3D printed straight acoustic sound tube ensures continuous, clean audio output from the custom-designed 4-BA drivers, reducing sound overlap and interference between multiple drivers.
Effectively increases sound density and reduces distortion and harmonic resonances. Ensures accurate audio crossover, superior performance, and layering.

3-way crossover

MD4 accurately calculates the connections between different frequency bands and rationally assigns high, ultra-high, mid, and low frequencies to balance and harmonize with each other for greater precision and clarity in all. excellent performance is guaranteed.

Four for the price of one! No more single tuning sounds!

Electronic crossover technology for easy switching between 4 different sound styles, 2-level tuning switch, and easy switching between high and low impedance.
- HIDIZS MD4 HiFi IEM, with 4 sound signatures that work well with all music genres.
Balanced: Classic HIDIZS tuning, suitable for most people's listening styles.
WarmWarm : Excellent performance at all frequencies, stronger musical sense. Suitable for folk & pop music.
TrebleOutstanding treble/ultra treble. Suitable for rock and electronic music.
Bass.Bass: Boosted bass with excellent speed and tight response. Ideal for symphony and classical music.
Hidizs MD4, a balanced armature driver IEM, is ambitious and accommodates a variety of listening preferences and changing tastes over time.

Elegance in your ears - HIDIZS Metallic Art

Handmade plating: laser cut and hand polished to a beautiful amber finish, made of EU IIA certified medical grade skin-friendly resin.
Aluminum alloy CNC one-piece, rose gold middle frame, celluloid faceplate, aluminum alloy output nozzle; maximizes Hidizs industry-leading metal work, trendy elegance, and guaranteed output purity and stability to reduce harmonic resonance and distortion Harmonic resonance and distortion are reduced.

More comfortable to wear

The headphone connectors feature an ergonomic elbow design more suited to the curve of the human ear, optimizing the wearing comfort. The cable socket is made of gold-plated material for more stable and smoother audio transmission.

Superior Cable

60 high-purity silver wires + 60 high-purity oxygen-free copper wires are densely twisted together in 4 strands for a lighter appearance and improved sound quality. Silver wire for brilliant, clean sound. Copper wire for added smoothness and calm performance.

Classic 0.78mm 2-pin design.

Following the standard 0.78mm 2-pin design, we have enhanced the cable's compatibility and interchangeability. You can enjoy a more upgraded sound and more listening experience with cables of the same specifications.

Hidizs EA01 Portable Custom Faux Leather Case

Designed for safe and secure portability. Designed with premium, waterproof, sustainable polyurethane leather with a magnetic clasp and iron reinforced leather to prevent it from losing its shape and provide maximum protection. Handmade by skilled artisans.

Hi-Res Certified.

Certified by Sony for high-resolution sound sources, JAS (Japan Audio Society) and CEA (Consumer Electronics Association of America) for exquisite quality and faithful reproduction to the original sound.

Model MD4
Product name

4 Balanced Armature Driver HiFi In-Ear Monitor


Custom HiFi In-Ear Monitors

Custom BA Driver 1 High, 1 Midrange, 1 Bass
Tuning switch

4-level select (balanced, warm, treble, bass)


Aluminum alloy CNC integrated, rose gold middle frame, handmade celluloid faceplate, aluminum alloy output nozzle

Internal audio transmission structure High-precision 3D printed straight acoustic sound structure
Frequency Response 20Hz~40kHz
Crossover 3-way
Sensitivity 102±1dB@1kHz
Impedance 8Ω@1kHz
Rated output 3mW
Cable 4-core braided wire (2-core high-purity silver wire & 2-core OFC wire), length 1.2m
Earphone connector

Removable 0.78mm 2pin gold-plated socket

Plug 3.5 gold-plated plug

Approx. 14g (excluding earphone cable)

Package contents

1 x MD4 Earphone
1 x 3.5mm earphone cable
1 x Leather carry box
9 x pairs of ear tips
1 x cleaning brush
1 x User Manual
1 × Warranty Card