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Dual-Chamber DMT-4 LCP Diaphragm Dynamic Driver | 4-Level Adjustable Circuit Filter System|Optimised Cavity Structure|Excellent sound quality control

TANCHJIM 4U Earphone is with the DMT4 Dual-Chamber dynamic driver unit drivers that provides excellent sound performance.



Elegant Design:

TANCHJIM 4U Earphones feature an optimized front-cavity structure. It has been crafted in such a way that we have a comfortable wearing experience

Dual-Chamber DMT-4 LCP Diaphragm Dynamic Driver: 

TANCHJIM 4U Earphones is powered by a DMT4 Dual-Chamber dynamic driver unit. It adopts an LCP composite diaphragm that provides exceptional sound reproduction with clear and crisp sound reproduction. 

High-power Magnetic Technology:

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.

Four-Way Adjustable Circuit Filter System:

Tanchjim 4U has a special 4-way adjustable circuit filter system. Customize your sound with Atmosphere, Pop, Natural and Monitoring modes for a personalized listening ex-perience.

High-purity Cable:

Tanchjim 4U comes with a copper cable with silver plating. The cable has a Litz texture that makes the wire soft and anti-oxidant.



Sensitivity  122dB/mW
Impendence  32Ω±5%
FR Range7  8Hz-48kHz
Driver  Dual-Chamber DMT-4 LCP Diaphragm Dynamic Driver
Cable length  125cm
1K THD  <0.05%@1kHz
Cable High-Purity Copper Silver-Plated Cable
Termination Plug 3.5mm
Connectors 2-pin 0.78mm

Shipping Options

Shipping Options Cost Shipping Time
Priority Air Mail Budget shipping cost 10 – 15 days
Express (DHL/UPS/FedEx) Base on location 5 - 10 days

Please refer to shipping estimate when you confirm your order.

You may choose standard shipping or express shipping depending on the items in your order and your location. As your orders may be handed over to local carriers for the final leg of delivery, tracking may not be available every step of the way.

Shipping address

Please make sure that you have provided the correct and current address for shipping and delivery. You may use P.O. boxes as your shipping address. But certain items can only be delivered to physical addresses. Large products, valuables, perishables, products with age-based restrictions, or items shipped via private carriers may require a physical mailing address or signature confirmation to be successfully delivered. Items cannot be delivered to security-restricted areas such as military bases.

Shipping time and cost

1) After an order has been successfully paid and confirmed, you will see the estimated delivery time and cost for shipping on your order confirmation page. You will also receive an order confirmation message that will outline the estimated processing time for your order.

2) The warehouse may take 1-3 days to process your order. You will receive a message once your order has been shipped.

3) You'll receive a shipment notification message that will provide you with the estimated delivery time for each package once it is shipped. We will also provide you the tracking number when it is ready. You can view this estimated delivery time under each package in your order history at the same time.

4) In most cases, your order will be delivered within the estimated time of delivery. However, the actual delivery date may be affected by flight arrangements, weather conditions, and other external factors. Please refer to the tracking information for the most up to date delivery date.

Issues regarding delivery

If your package has not been delivered or your tracking information shows that your package has been delivered but you have not received it, please contact our customer service immediately and within 30 days of the order date.


Worldwide Shipping
2-Year Warranty
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