Fostex at Audio46


Fostex TH808 Premium Open-Back Dynamic Headphones





SKU del producto: AMS-TH-808


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$1,299.99 Oferta

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Detalles del producto de la marca

(Specifications and appearance of this product are subject to change without notice)
↓ Details provided by Fostex

The TH808 is a premium headphone crafted from Fostex's top-tier open-type model, TH909. It is meticulously tuned and features a high-grade black walnut solid wood housing with aluminum etched parts and is equipped with a proprietary technology in-house made “BIODYNA” diaphragm driver unit.  Each unit undergoes careful assembly at our facility in Japan.

*"BIODYNA" is a registered trademark of Foster Electric Co.

Fostex TH808 Premium Open-Back Dynamic Headphones Overview

In Detail

  • Equipped with in-house crafted driver units from the TH900 series.
  • The proprietary in-house driver unit, crafted from technologies honed over numerous years, blends bio-cellulose fiber with various other materials on the diaphragm.
  • This meticulous combination, under optimal conditions, results in a diaphragm with low specific gravity, high Young's modulus, and superior internal loss
  • Utilizing a repulsive magnetic circuit with neodymium magnets, the 1.5 Tesla ultra-strong magnetic circuit delivers exceptional responsiveness and an expansive dynamic range across all frequencies.
  • This design enables the reproduction of exquisite mid-high frequencies with detailed resolution, while also faithfully capturing the rich low mid-range with significant amplitude.
  • Ingenious open housings made of solid black walnut and aluminum
  • The housings, crafted from premium solid black walnut, showcase a distinctive design. Its open aperture, coupled with a dual arrangement of etched aluminum components,
  • offers varying impressions depending on the light and viewing angle.
  • The carefully calibrated aperture ratio and precise fine-tuning of each internal component, enhanced by the resonance of the solid black walnut wood,
  • result in a natural sound field that offers a comfortable and fatigue-free listening experience.
  • TH808 original high-purity OFC unbalanced cable included
  • It comes with TH808's exclusive high-purity OFC (oxygen-free copper) unbalanced cable, free from impurities, ensuring optimal transmission performance.
  • Detachable connector port and 7N grade cable for internal wiring
  • The removable connector on the headphone body, as well as the detachable connector terminal, are both rhodium-plated terminals.
  • Rhodium plating is renowned for its durability, resistance to wear, and ability to protect against corrosion.
  • Achieving a balanced connection is possible with the use of an XLR-terminal cable (ET-H3.0N7BL), which is available for separate purchase.
  • Ear pads with low-resilience cushions
  • The detachable headphone connection terminals are rhodium-plated to enhance hardness, abrasion resistance, and corrosion resistance, ultimately boosting their reliability.


  • TH808 Premium Open-Back Dynamic Headphones
  • Φ ¼” / 6.3mm gold-plated stereo standard plug
  • Leather pouch
  • Owner’s Manual


  • Type: Open-back Dynamic
  • Driver: Φ50mm Neodymium Magnet / BIODYNA Diaphragm
  • Impedance: 25 ohm
  • Sensitivity: 96dB/mW
  • Max Input: 1,800mW Freq. response: 5 – 45,000 Hz
  • Weight: Approx. 370g (excluding cable)
  • Cable: 3m Y-type 2-pin (detachable connector rhodium plated)
  • Detachable terminal: 2-pin (rhodium-plated on the gold-plated base)
  • Plug: Φ ¼” / 6.3mm gold-plated stereo standard plug

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