TANCHJIM

TANCHJIM x Effect Audio Force Open-ear Dual Dynamic Flagship In-Ear

Name: TANCHJIM x Effect Audio Force Open-ear Dual Dynamic Flagship In-Ear
Brand: TANCHJIM
SKU: 1005009385345700-FORCE
Price: 279.99 USD
Availability: InStock

$279.99 USD

~~$279.99 USD~~ $279.99 USD

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Color FORCE

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Specification

TANCHJIM x Effect Audio FORCE Open-Back Dual Dynamic Flagship In-Ear Headphones

Key Features:

Dual Composite Dynamic Drivers: 8.2mm beryllium-coated and 10mm titanium-coated diaphragm with PU suspended edge for rich mids and powerful bass.
Open-Back Acoustic Design: Reduces pressure buildup, expands soundstage, and relieves ear canal fatigue.
HPFD-Seg Technology: High-precision frequency domain crossover ensures low distortion and smooth driver integration.
EFFECT AUDIO Custom Cable: 26AWG silver-plated UP-OCC copper, with 0.78mm to 4-pin replaceable connector (3.5/4.4/DSP plugs included).
Pressure-Relief Vent: Eliminates "plugged ear" effect and reduces internal ear pressure.
UltraFlex™ Jacket: Silky soft, transparent cable sheath enhances comfort and aesthetics.
App Customization Support: Includes Type-C DSP plug with 5-band PEQ and user community sound sharing.

Technology and Acoustic Design:

FORCE represents the culmination of TANCHJIM’s acoustic artistry and EFFECT AUDIO’s cable engineering. Built on DMT 4 ULTRA architecture, it combines two custom dynamic drivers with CNC-machined aluminum faceplates and 3D-printed medical-grade resin shells for premium comfort and sound fidelity.

Using HPFD-Seg frequency domain crossover, the 8.2mm and 10mm drivers maintain optimal operating ranges, yielding THD as low as 0.036%. The open-back design and patented vent system reduce listening fatigue and deliver expansive, natural imaging.

The bundled EFFECT AUDIO cable uses UP-OCC silver-plated copper, tuned for balanced tonality and energy. Users can swap between 3.5mm, 4.4mm, and Type-C DSP terminations, the latter supporting TANCHJIM’s dedicated tuning app for PEQ adjustment and shared profiles.

Technical Specifications:

Parameter	Details
Driver Configuration	8.2mm beryllium + 10mm titanium dynamic drivers
Impedance	17Ω ±10%
Sensitivity	120dB/Vrms
THD	≤0.05% @1kHz 94dB
Frequency Response	8Hz - 48kHz
Cable Brand	EFFECT AUDIO
Cable Material	UP-OCC silver-plated copper
Connector	0.78mm 2-pin to 4-pin system
Plug Options	3.5mm, 4.4mm, DSP Type-C
Shell Material	Medical-grade resin + CNC aluminum

Package Includes:

FORCE Earphones ×1
EFFECT AUDIO Custom Cable ×1
3.5mm Plug ×1
4.4mm Plug ×1
Type-C DSP Plug ×1
Silicone Eartips ×6 pairs
User Manual ×1
Premium Leather Carrying Case ×1

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.

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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.

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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

France: https://t.17track.net/en#nums=YT2132021222003141

Germany: https://t.17track.net/en#nums=YT2133621222016083

United Kingdom: https://www.17track.net/?nums=GV779664269GB

Italy:https://t.17track.net/en#nums=YT2133021222011717

Spain:https://t.17track.net/en#nums=YT2129521222003430

United States:https://t.17track.net/en#nums=SUA211205BIUQ1000007

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.

Filand: https://www.17track.net/?nums=UG324191515YP

Poland: https://www.17track.net/?nums=UG335827360YP

Estonia: https://www.17track.net/?nums=UG363043181YP

Norway: https://www.17track.net/?nums=VR457380806YP

Switzerland: https://www.17track.net/?nums=UG359525911YP

Greece: https://www.17track.net/?nums=UG250851788YP

Sweden: https://www.17track.net/?nums=UG353458343YP

Israel: https://www.17track.net/?nums=UG356134837YP

Czech Republic: https://www.17track.net/?nums=UG320437102YP

Slovenia: https://www.17track.net/?nums=UG349882511YP

Slovakia: https://www.17track.net/?nums=UG349946557YP

Denmark: https://www.17track.net/?nums=UG272480001YP