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Earacoustic Audio

Earacoustic Audio STA Hi End 10mm+6mm Dual Dynamic Drivers In-Ear Earphone

Earacoustic Audio STA Hi End 10mm+6mm Dual Dynamic Drivers In-Ear Earphone

Regular price $49.90 USD
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Earacoustic Audio STA Hi End 10mm+6mm Dual Dynamic Drivers In-Ear Earphone Monitor

Key Features:

  • Dual Dynamic Drivers Architecture: Combines a 10mm large dynamic coil for mid-low frequencies and a 6mm micro coil for high frequencies, delivering a broad and dynamic soundstage.
  • Tesla-Level Magnetic Coil Technology: Uses N50+N50 magnets to create a strong sense of energy and high magnetic flux, offering powerful and precise sound reproduction.
  • Beryllium-Plated Diaphragm: The 10mm ultra-rigid beryllium-plated diaphragm ensures exceptional rigidity and ultra-fast response, delivering precise and balanced sound across the entire frequency range.
  • Wideband Frequency Response: With a frequency response range of 10Hz-30kHz, the STA delivers both deep lows and crystal-clear highs, capturing every nuance of the music.
  • Optimized Acoustic Design: Through hundreds of directional simulation experiments, the STA ensures optimal resonance and musical emotion, providing a warm, natural listening experience.
  • High-End Audio Grade Target Frequency Curve: STA has been meticulously tuned for superior transient response time (<3ms) and intermodulation distortion (<0.05%), ensuring a pure and durable tone.
  • Comfortable, Tailored Fit: The ergonomic design of the STA ensures comfort for long listening sessions, with carefully sculpted contours for a custom fit.

Technology and Innovations:

The Earacoustic STA headphones are designed with high-end audiophile features. The combination of dual magnetic units with efficient driving force and dual diaphragm design results in a superior sound experience. The meticulously tuned drivers are coupled with Tesla-level magnetic coils for stunning high-resolution sound. The advanced acoustic design, which includes the use of beryllium-plated diaphragms, ensures precise frequency response, while the optimized cavity structure enhances resonance for a natural and emotional listening experience.

Technical Specifications:

Parameter Details
Frequency Response 10Hz - 30kHz
Driver Configuration 10mm Dynamic Coil + 6mm Micro Coil
Magnetic Technology N50+N50 Tesla-level Magnetic Coil
Diaphragm 10mm Beryllium Plated + 6mm Polymer Composite
Transient Response Time < 3ms
Intermodulation Distortion < 0.05%
Sensitivity >110 dB/mW
Low Frequency Rebound 50ms
Impedance 27Ω
Maximum Power 10000Gs
Material ABS Resin + Zinc Alloy Electroplating Frame
Surface Process Glossy Finish with Metal Coated Resin

Package Includes:

  • 1x Earacoustic STA Hi End In-Ear Earphone Monitor
  • 1x Detachable 0.78mm Cable
  • 1x Carrying Case
  • 1x User Manual

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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