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TANCHJIM 4U DMT-4 Ultra Double-chamber Dynamic Driver In-Ear Earphones

TANCHJIM 4U DMT-4 Ultra Double-chamber Dynamic Driver In-Ear Earphones

Regular price £56.00 GBP
Regular price £56.00 GBP Sale price £56.00 GBP
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TANCHJIM 4U Earphones


  • Dual-Chamber DMT-4 LCP Diaphragm Dynamic Driver.
  • High-power Magnetic Technology.
  • 4-Level Adjustable Circuit Filter System.
  • Optimised Cavity Structure for Optimum Performance.
  • Carefully Designed Shells for Great Comfort.
  • Compact Form Factor.
  • Easy Driveability.

Product Details

Tanchjim is here with the very new 4U, a beautifully crafted pair of single dynamic driver in-ear monitors. The pair features Tanchjim’s self-developed DMT4 Dual-Chamber dynamic driver unit. It adopts an LCP composite diaphragm that provides exceptional sound reproduction with clear and crisp sound reproduction. Tanchjim 4U features a 4-level adjustable circuit filter system, a simple mechanism that will allow you to customize the bass response as per your liking. Play around the 4U, and make it yours to your own liking.

New-Generation DMT4 Dynamic Driver

Tanchjim has featured its latest DMT4 architecture dynamic driver on the 4U. It has a dual-cavity design with an optimized cavity structure for enhanced sound reproduction. This driver adopts a high-quality LCP composite material diaphragm that produces crystal clear sound with low distortion and high clarity.

Solid and High-Performance Composite Diaphragm

The composite diaphragm is specially designed for the 4U, and combined with the curvature of the cavity it has been designed with FEA simulation technology. The diaphragm has a rigid and flexible structure that produces a strong lower-end response with large dynamic performance.

Four-Way Adjustable Circuit Filter System

For the 4U, Tanchjim has designed a special 4-way adjustable circuit filter system. This has a simple mechanism on the inner side of the pair, you can turn the mechanism around with the tool included in the package. It will adjust the bass response on the pair, giving you four different signatures in a single set.

High-Power Magnetic Design

Tanchjim 4U has a High-Power magnetic structure design that produces a strong magnetic flux. It results in easy driveability, wider dynamic range, and lower distortion in the output signal. Tanchjim 4U packs a wonderful sound in a sleek and compact package.

Get a Comfortable Listening Experience

Tanchjim has designed the 4U with an optimized front-cavity structure. It has been crafted in such a way that we have a comfortable wearing experience without any pressure buildup on the ear canal. The nozzle will fit perfectly and provide great comfort.

Design Concept

The design of the 4U ear shells is inspired by the Gray Rabbit, It has a smooth and exquisite mirror finish that matches the soft body shape of the rabbit. The pair has an overall U-shaped design with a zinc alloy frosting technique to give a premium in-hand feel for the users.

Key Features

  • Full Metal Frosted Cavity
  • 4-Level Precision Adjustment Filter
  • Elegant, fashionable, and durable design
  • Customize your sound with ease
  • DMT 4Ultra Dynamic Driver Technology
  • New Generation Front Cavity In-Ear Coupling Structure
  • Double Composite Filter with Waterproof Coating
  • High Purity Wire for Enhanced Transmission Rates
  • Flagship Level Performance with Self-Developed Single-Magnetic Dual-Cavity Unit
  • Composite Diaphragm for Superior Rigidity and Dynamic Performance
  • 4 Levels of Adjustable Filters for Various Sound Styles
  • Waterproof Acoustic Filter with DWR-Coated for Durability
  • Precision Fit for Perfect Sound
  • High Precision Imported Capacitors
  • Advanced Litz Cable Design


What's in the Box?

Shipping & Returns

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

Shipping Fees

Worldwide Free Shipping on Hificat, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.

In the event that a shipment is refused delivery by the recipient, is undeliverable, or is returned to sender, Hificat will process a refund to the original payment method used.

If a customer would like the order reshipped, they’ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 20 percent of the product cost.


Which Couriers To Use?

We collaborate with these courier companies:
Standard Shipping: Yanwen Express
Express Shipping(over $500 can be free): DHL Express, FedEx and SF Express

Hificat has extensive global logistics experience to ensure quality logistics services to consumers.

HiFiCat offers consumers different shipping, depending on the country, a choice of different shipping methods.


Estimated Delivery Time

1. France, Germany, UK, Italy, Spain, USA.

All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 6-10 days to arrive.

Tracking Example



United Kingdom:



United States:

2.EU Country:Filand, Poland, Estonia, Norway, Switzerland, Greece, Sweden, Israel, Czech Republic, Slovenia, Slovakia, Denmark, Netherlands, Latvia, Croatia, Austria, Hungary, Belgium, Bulgaria, Romania, Ireland, Malta, Iceland, Serbia and so on.

All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 10-15 days to arrive.









Czech Republic:


















Russian Federation

3.South America:Peru, Brazil, Chile



South Africa:


New Zealand:


5.Canada By Canada Post, about 2 weeks.
6. Asia:
Japan By Japan Sagawa Global Transportation. About 7 days.
Thailand By jt express. About 5-7days.
Malaysia by jtexpress.My  About 5-7days.
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