Fostex TH-909 Premium Stereo Headphones

TH909 is a flagship premium headphones based on the reputed closed type TH900mk2. While keeping the same sound characteristic, we further expanded and increased its sound field by adopting open back construction and adjusting the acoustic circuit design.

Fostex TH-909 Features

• Offers a wider dynamic range with low distortion using 1.5 Tesla 50mm driver with repulsion magnet
• Proprietary "Biodyna" technology
• Double layer structure etching metal grills
• Housing cover uses Japan Lacquer Bordeaux finish
• Custom made7N grade (99.99999%) high purity OFC (Oxygen Free Copper) unbalanced cable
• Detachable connection parts use rhodium plating finish offering high hardness, excellent abrasion and corrosion resistance
• Ear pad has low-resilience cushion for best comfort and audio performance

• TH-909 premium stereo headphones1
• Detachable cable1
• Headphone stand1
• Carrying bag1

• Driverdynamic, 50mm
• Operation Typeopen back
• Impedance25 Ω
• Sensitivity100 dB/mW (at 1kHz, 1mW)
• Frequency Response5Hz - 45,000Hz
• Max. Input Power1800mW
• Cabledetachable 9.84 ft 1/4" unbalanced stereo phone
• Weight13.76 oz