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Fostex T40RP MK3 Planar Magnetic Over-the-Ear Headphone

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Fostex T40RP MK3 Planar Magnetic Over-the-Ear Headphone

  • Refined Fostex proprietary Regular Phase (RP) diaphragm driver using copper foil etched polyimide film and powerful neodymium magnet

  • Maximum input level of 3000mW to comply with various professional uses

  • Closed for focused bass sound

  • Low repulsion ear pad and head pad for maximum comfort

  • Comes with 3m 1/4-inch plug detachable cable for best serviceability and 1.2m mini plug cable for portable audio use



The Fostex RPmk3 series headphones are successors to the reputed RPmk2 series that have been used as reliable monitor headphones in many professional recording studios for more than 30 years. The driver unit incorporating the key Fostex proprietary Regular Phase (RP) Technology diaphragm has been refined to achieve sharper audio reproduction for more accurate monitoring. The housing, ear pads and head pad have also been redesigned to derive the maximum performance of the RP driver. Founded in 1973, Fostex is an acclaimed manufacturer of location sound, multi track recording, and speaker products.

Technical Specifications

Additional Information

Package Contents
  • Fostex T40RP MK3 Headphone
  • Detachable 1/4” Stereo Phone (3m) and Stereo Mini (1.2m) Cables
Colour Black
Warranty 1 year (local)
Product Weight (g) 315
Availability Preorder / Backorder (currently unavailable)
Product Type Headphone
Style/Type Over-Ear (circumaural)
Features Studio Monitoring
Driver Configuration Orthodynamic (Planar Magnetic)
Frequency Response (Hz) 15Hz – 35kHz
Impedance (Ω) 50 ohm
Sensitivity 92dB (at 1kHz, 1mW)
Headphone Design Closed-Back
Cable Style Wired (for 3.5mm devices)
Additional Tech Specs

Driver:    Regular Phase (or Orthdynamic)
Maximum Input Power:    3000mW

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