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DUNU x KOTO ITO 2DD+2BA Hybrid Drivers IEMs In-ear Earphones

DUNU x KOTO ITO 2DD+2BA Hybrid Drivers IEMs In-ear Earphones

Regular price $199.99 USD
Regular price $199.99 USD Sale price $199.99 USD
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DUNU x KOTO ITO In-ear Earphones

"A Perfect Fusion of Expert Design and High-Fidelity Sound"

The DUNU x KOTO ITO in-ear monitors are a collaboration between renowned headphone reviewer Kaji Kaji (Koto) and DUNU, bringing a dynamic and versatile quad-driver hybrid IEM design. Featuring 2 dynamic drivers (DD) and 2 balanced armature drivers (BA), these IEMs deliver a full-bodied sound with excellent bass, precise mids, and crystal-clear treble. Tuned for various music genres, these IEMs provide an immersive and natural listening experience.

2DD+2BA Hybrid Drivers Customized Drivers Quad-Driver Hybrid Patented Q-Lock System High-Purity Single-Crystal Copper Cable Versatile Sound Profile Ergonomic Design

Key Features

  • Hybrid Driver Configuration — Features a combination of 10mm Composite Bio-Diaphragm Dynamic Driver and 8mm Composite LCP Diaphragm Dynamic Driver for deep bass and clear mid-bass response, supported by two customized high-performance balanced armature drivers for enhanced treble and high-frequency resolution.
  • Perfectly Tuned Sound — Designed in collaboration with Koto, these IEMs offer a bold, full-bodied sound signature that adapts seamlessly to different genres, making them ideal for music lovers who enjoy rock, electronic, hip-hop, and more.
  • Patented Q-Lock Quick Switch Interchangeable Termination Plug System — The IEMs come with a versatile 4-core single-crystal copper cable, featuring interchangeable plugs (3.5mm, 4.4mm) for easy compatibility with a wide range of audio sources.
  • High-Purity Cable — The included cable is a premium high-purity silver-plated single-crystal copper design, ensuring clean signal transmission and pristine sound quality.
  • Triple Eartip Options — Includes three types of silicone ear tips for a comfortable and customized fit, ensuring optimal sound isolation and comfort during long listening sessions.
  • Lightweight and Ergonomic Design — The IEMs are built with a 3D-printed resin housing, designed for a secure and comfortable fit, even during extended use.

Technical Specifications

Product Name DUNU x KOTO ITO In-ear Earphones
Driver Configuration 2DD + 2BA Hybrid Drivers
Dynamic Drivers 10mm Composite Bio-Diaphragm, 8mm Composite LCP Diaphragm
Balanced Armature Drivers Two Customized High-Performance BAs
Impedance 37Ω @1kHz
Sensitivity 105dB/mW @1kHz
Frequency Response 5Hz – 40kHz
THD+N < 0.5% @1kHz
Weight (per side) 6.5g
Cable 4-Core High-Purity Single-Crystal Copper Cable
Cable Length 1.2m
Audio Plugs Included 3.5mm, 4.4mm (with adapters)
Housing Material 3D-Printed Resin
Package Includes ITO IEMs, 3 Sets of Silicone Ear Tips, 4-Core Single-Crystal Copper Cable, 3.5mm and 4.4mm Plugs, Quick Start Guide, Storage Case

Package Includes

  • DUNU x KOTO ITO In-ear Earphones
  • 3 Sets of Silicone Ear Tips (S/M/L)
  • High-Purity 4-Core Single-Crystal Copper Cable
  • 3.5mm and 4.4mm Interchangeable Audio Plugs
  • Quick Start Guide
  • Premium Storage Case

Note: The DUNU x KOTO ITO In-ear Earphones are designed for audiophiles who appreciate a versatile and finely tuned sound profile. The interchangeable plugs and high-quality cable ensure compatibility with various audio devices.


Shipping & Returns

  • Free Standard full searchable Shipping
  • DDP(Delivered Duty Paid) Services, No payment on receiption
  • Free 7-Day Return Policy!

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.


Shipping Fees & Couriers

We collaborate with the following courier companies:

  • Standard Shipping: Yunexpress, 4PX, NinjaVan
  • Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
  • Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.


Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

Tracking examples:

2. EU 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

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3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

4. Americas

5. Oceania

6. Asia


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