[🎶SG] TANCHJIM x EFFECT AUDIO FORCE Dual Dynamic Drive Flagship In-ear Monitors

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TANCHJIM x EFFECT AUDIO FORCE Dual Dynamic Drive Flagship In-ear Monitors

> Dual Composite Metal Dome Diaphragms DMT Dynamic Drivers For Powerful Sound And Dynamics 
> Easy To Drive
> Uses HPFD-Seg High-Precision Frequency Domain Splitting Technology
> Co-developed With EFFECT AUDIO Featuring Silver-plated Single-crystal Copper Cables
> Comes With Three Connector Options: 3.5mm, 4.4mm, and DSP (TYPE-C)
> 3D-printed Medical-grade Resin Shell
> Aerospace-grade CNC-machined Aluminum Faceplate
> Optimized Weight Distribution For A Comfortable Fit
> An Open-back In-ear Design That Maintains Excellent Passive Noise Isolation
> Patented Pressure-relieft Vent Design Patent No: CN218301624U
> Balanced Tuning Across All Frequencies Rich Bass, Clear Vocals, And Crisp Highs
> Now With Support For An All-New Visualized User Interface

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Descriptions:

> Founded in Singapore in 2009, EFFECT AUDIO has always upheld the philosophy of "delivering great value for audiophiles," focusing on developing products that balance practicality with exceptional sound quality. TANCHJIM, committed to the seamless fusion of acoustics and aesthetics, teamed up with EFFECT AUDIO early in the development of FORCE for deep collaboration. From the internal wiring to the stock cable, everything was custom-designed to strike a delicate balance between acoustic performance and artistic design.

> Medical-grade High-transparency Resin Body, Aerospace-grade CNC-machined Aluminum Faceplate, Open-back Steel Mesh Rear Chamber Acoustic Design
> The FORCE features a medical-grade high-transparency resin shell, offering biocompatibility and hypoallergenic properties to ensure long-lasting comfort-wearing it feels like a "second skin." Paired with a CNC-machined aluminum faceplate finished with ultra-fine sandblasting, the cool metallic texture contrasts beautifully with the resin's clarity, symbolizing the harmony between technology and humanity.
> Its specially designed stainless steel fine mesh breaks free from the limitions of traditioal closed sound chambers. Combined with the T-APB pressure-balance system, sound waves naturally blend through the mesh and chamber, eliminating ear canal pressure and reducing listening fatigue - truly a "physical upgrade" for extended wear.

> In-house Developed Dual Dynamic Driver System
> Powerful Dynamics, Easy To Drive
> The FORCE features a dual dynamic driver setup: an 8.2mm PU-suspended beryllium-coated dome driver handles the mid and high frequencies, while a 10mm PU-suspended titanium-coated dome driver takes care of the low end.
> The PU suspension allows for large stroke movement, laying the foundation for outstanding dynamic performance. Its unique internal damping properties effectively absorb excess vibrations, delivering elastic bass while preventing metallic harshness in the highs, resulting in a more natural detailed listening experience.
> The beryllium-coated dome offers high rigidity and light-weight properties, helping to enhance high-frequency extension. The titanium-coated dome effectively suppresses breakup vibrations and reduces distortion during large dynamic swings, delivering clean and precise transients along with powerful energy, significantly improving bass quality.

> A Testament To TANCHJIM's Art Of Tuning
> To ensure accurate and enjoyable sound reproduction, the TANCHJIm engineering team measured FORCE's performance across multiple simulated ear canal models. Using FEA finite element analysis for dynamic adjustments, they fine-tuned the earphones to deliver ideal sound for the majority of listeners.

> High-precision Full-range Frequency Division Technology
> Using HPFD-SEG high-precision frequency domain cross-over technology, the 8.2mm and 10mm dynamic drivers are kept within their optimal operating range (working with low distortion while closely matching the target frequency response). This crossover design minimizes sensitivity loss, ensures efficient electro-acoustic conversion, and elevates the overall sound performance of the FORCE.
> Built on the DMT 4 ULTRA dynamic driver architecture, the 8.2mm mid-high frequency driver and 10mm bass driver work seamlessly together. Thanks to HPFD-SEG technology, the FORCE achieves significantly lower total harmonic distortion compared to multi-driver balanced armature setups, with THD as low as 0.036%.

> Open-back Rear Chamber Design
> The FORCE's open-back rear chamber allows reverse sound waves to interact freely with the air, significantly reducing sound quality degradation caused by rear chamber reflections. By dissipating vibration energy, it effectively suppression distortion. This design also expands both the horizontal and vertical soundstage while enhancing high-frequency extension.

1. Closed-chamber sound flow coupling simulation (FEA finite element analysis): In a closed state, the FORCE's rear chamber exhibits chaotic vortices and localized stagnation (irregular curves in the diagram), resulting in low sound energy transfer efficiency and causing bass build-up and muddiness.

2. Open-back rear chamber sound flow coupling simulation (FEA finite element analysis): The open-back design allows for smooth, layered airflow (linear and uniform steamlines), enabling efficient sound energy dispersion. This optimized speaker environment delivers silky-smooth high-frequency resposne and deep, tight, and well-controlled bass with no sluggishness.

> Despite Its Open-back Design, The FORCE Maintains Impressive Passive Noise Reduction

> Open-back Rear Chamber No Need To Worry About Sound Leakage
> At the TANCHJIM lab, rigorous noise measurements were conducted on the FORCE's open-back rear chamber. The earphones were securely fitted onto a B&K 5128 head and torso simulator, with a free-field microphone placed 5cm directly behind the rear chamber. The earphones were driven at a sound pressure level of 100dB @ 1kHz - well above typical listening volumes.
> As shown in the graph below, thanks to FORCE's unique open-back rear chamber design and its multi-porous acoustic backplate, the noise isn't concentrated in any single frequency band. In fact, FORCE exhibits better high-frequency leakage performance - for example, at 4.3kHz, its leakage is 23dB lower than the ORIGIN. Additionally, the average rear chamber sound pressure leakage is about 2dB lower than that of the ORIGIN.
> So, although the FORCE features an open-back rear chamber, it does not suffer from sound leakage issues typically associated with open designs when compared to closed-back earphones.

> TANCHJIM x EFFECT AUDIO Jointly Tuned For FORCE
> EFFECT AUDIO Signature Cable
> Built for FORCE, Tuned by EFFECT AUDIO. 
> TANCHJIM and EFFECT AUDIO teamed up to create this premium cable, crafted specifically for FORCE.
> Inspired by NEOTECH Wanlong's UP-OCC single-crystal copper technology, this cable uses four strands of 26 AWG silver-plated single-crystal copper and its meticulously handcrafted with a braided design. It delivers a rich, solid sound foundation, strong control, and deep, powerful bass extension.
> The internal structure is specially tuned for high-frequency performance, delivering clear, sharp detail and lively, bright treble extension. This allows FORCE's sound to unleash greater power and focus.
> Natural and smooth without losing energy. stable and steady yet impactful - this isn't just a cable, it's an upgrade in your entire listening experience.

> EFFECT UltraFlex Ultra-soft Cable Jacket
> Silky soft and crystal clear, designed for superior comfort and premium feel.
> EFFECT AUDIO's excusive UltraFlex technology delivers unprecendented wearing comfort. Made from highly flexible materials, it feels gentle and skin-friendly, causing no fatigue even after extended use - perfect for everyday listening and professional settings.
> Beyond comfort, the UltraFlex jacket is crystal clear, showcasing the intricate craftsmanship of the internal metal conductors and naturally revealing the artistry behind the sound.
> Combining functionality with aesthetic appeal, UltraFlex redefines what a cable looks and feels like inside and out.

> Patented Pressure-Relief Vent
> A complex venting system channels ear canal pressure outward, achieving dynamic pressure balance inside and outside the ear. This eliminates the common "earplug effect" found in many headphones. As the pressure inside the ear decreases, the eardrum experiences less strain, allowign it to detect lower fundamental frequencies (F0) from the headphones. This results in more natural and accurate reproduction of very low frequenices.

> Dust And Water-Resistant Acoustic Mesh
> Featuring a DWR-coated acoustic filter that protects the driver from dust and moisture while effectively smoothing out high-frequency harshness for a more natural treble response. (In addition to the nozzle mesh, the internal damping filters in the FORCE also use the coating to enhance long-term durability.)

> All-New Ergonomic Design
> The FORCE features a completely redesigned ergonomic shape that precisely matches the natural angle of the ear canal. This optimizes the direct sound path from the driver to the eardrum, reducing sound reflections and ensuring high-fidelity audio transmission.
> Additionally, support area and earhook pressure points, the design achieves even pressure distribution, significantly reducing localized discomfort. This makes the FORCE stable and comfortable even during extended wear.

> Comes Standard With The Highly Praised T-APB Pressure-balanced Ear Tips
> The FORCE is equipped with TANCHJIM's widely acclaimed T-APB pressure-balanced ear tips. Combined with FORCE's venting system, they significantly reduc ear pressure, makign long listening sesssions much more comfortable.

> Personalized APP Tuning, Custom Sound Community
> Featuring a Type-C connector with built-in DSP, the app supports a 5-band customizable parametric equalizer. The brand-new, visually intuitive EQ interface makes adjusting settings mooth and effortless, letting you tweak values exactly how you like.
> Beyond the official base sound profiles, the app offers four additional PEQ presets - including HARMAN 2014, 2016, and 2019.
> After customizing your sound, you can submit your preset for review. Once approved, it will be featured in the curated community section, whereother users can browse, save and apply your settings.
> The app also comes preloaded with dozens of popular game sound presets - and the library is continually updated.

> Premium Large-capacity Leather Carrying Case
> Simple and elegant, perfect for storing and protecting the FORCE.

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Specifications:

> Driver Unit: 8.2mm Dynamic Driver + 10mm Double-chamber Composite Dynamic Driver
> Dynamic Driver Technology: DMT 4 Ultra
> Waveguide Technology: Low-distortion Waveguide Cover Technology
> Material Of Dynamic Driver Diaphragm: PU Suspended Edge PET Plated With Beryllium Dome Composite Diaphragm (8.2mm), PU Suspended Edge PET Plated With Titanium Dome Composite Diaphragm (100mm).
> Total Harmonic Distortion (THD): ≤0.05% @ 1kHz 94dB
> Impedance: 17Ω ± 10%
> Sensitivity: 120dB / Vrms
> Frequency Response Range: 8-48kHz
> Wire Specification: 0.78mm 2-Pin, 4-Pin Replaceable Connector With 3.5/4.4/DSP-FORCE Connector Available
> Wire Material: UPOCC Single Crystal Copper

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