Fostex TH-909 - Premium Open-Back Stereo Headphones

• Offers a wider dynamic range with low distortion using 1.5 Tesla 50mm driver with repulsion magnet.
• Proprietary "Biodyna" technology (bio-cellulose and inorganic fiber admixture) is used as a diaphragm material achieving rich very low frequency, natural mid-range and especially excellent presence in high frequency reproduction.
• Double layer structure etching metal grills are used as housing opening, which diversify the resonance points and offers gorgeous appearance.
• Housing cover uses Japan Lacquer Bordeaux finish manufactured by craftsmanship of "Sa-kamoto Urushi Factory" established in 1900.
• Custom made7N grade (99.99999%) high purity OFC (Oxygen Free Copper) unbalanced cable (model ET-H3.0N7UB equivalent) is included as standard.
• Equipped with detachable connector which supports the balanced connection with optional XLR cable (model ET-H3.0N7BL).  Internal wiring also uses 7N grade cable.
• Detachable connection parts use rhodium plating finish offering high hardness, excellent abrasion and corrosion resistance.
• Newly designed ear pad adopts a low-resilience cushion to achieve comfortable fit and best audio performance.
• The optional cables for TH900mk2, model ET-H3.0N7BL, ET-H3.0N7UB & ET-H1.2N7UB fit the TH909 too.

Specifications

• Driver:    Dynamic, 50mm
• Operation Type:    Open back
• Impedance: 25 ohm
• Sensitivity: 100dB/mW (at 1kHz, 1mW)
• Freq. response:    5Hz – 45kHz
• Max Input Power:    1,800mW
• Weight:    390g (excluding the cable)
• Cable:    Detachable 3m 1/4” unbalanced stereo phone (model ET-H3.0N7UB)
• Accessories: Headphone Stand (model ST300), Carrying Bag