The RP mk3 headphones by Fostex are the successors to the renowned RP mk2 series and have a rich professional heritage in the recording studio industry.
They are known for their robustness, reliability, and accuracy in monitoring applications.
Fostex T20RP MK3 Headphones Key Features
- Unique Proprietary RP (Regular Phase) Drivers – The RP driver unit incorporates Fostex’s proprietary Regular Phase (RP) Technology diaphragm, also known as orthodynamic. It features a copper foil etched polyimide film and a powerful magnet to achieve sharper audio reproduction for accurate monitoring. The housing, ear pads, and headband have been redesigned to maximize performance from the new RP driver.
- Lower Sensitivity for Accurate Response – The RP mk3 drivers have lower sensitivity compared to the previous model and some dynamic designs. However, the focus has been placed on accurate response, reducing extremes in high/low sensitivity across the frequency range. A quality headphone amplifier can drive the RP series to higher levels, revealing balanced and natural sound with transparent mid/hi frequencies.
- Flexible and Reliable – The RP mk3 series can handle a maximum input power of 3000mW, making them suitable for various professional situations. They come with an interchangeable 6.35mm / 3.5mm cable for use with portable, professional, and consumer products. The redesigned housings, low-repulsion ear pads, and headband maximize comfort and fit. Additionally, all parts are replaceable, ensuring the longevity of your investment.
- Three Models for Different Environments – The RP mk3 series offers three different enclosure types. The T20RPmk3 model features an open-back design, providing deep bass and an expansive stereo image. This design is suitable for playback and mastering applications where bleed from the headphones is not a concern.
Fostex T20RP MK3 Headphones Specs
- Headphone Type: Open Back
- Style: Over-Ear
- Driver Type: Planar Magnetic
- Headphone Connector Type: 1x 3.5mm Straight Cable & 1x 6.35mm Coiled Cable
- Includes Adaptor: Yes
- Impedance: 50 Ohm
- Microphone: No
- Detachable Cable: Yes
- Cable Length: 1x 1.2m & 1x 3.0m
- Weight: 315g
- Sensitivity: 94.6 dB/mW
The Fostex RP mk3 headphones with their unique RP drivers, comfortable design, and options for different enclosure types offer professional-grade performance in commercial recording studios and other critical listening environments.









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