The RPmk3 Series T50RP-mk3 Stereo Headphones from Fostex is an semi-open type headphone for flat and clear sound. The driver unit incorporates Fostex's proprietary Regular Phase (RP) Technology diaphragm, which has been refined to achieve sharper audio reproduction for more accurate monitoring. The housing, ear pads, and head band padding are been re-designed to improve comfort and derive maximum performance from the RP driver.

Semi-open type for flat and clear sound

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

Maximum input level of 3000mW

Low repulsion ear pad and head pad for maximum comfort

Includes two different cables 10' (3m) cable with 1/4" detachable plug for professional use, and 4' (1.2m) mini plug cable for portable audio use


Driver Regular Phase (Orthodynamic)
Impedance 50 ohm
Sensitivity 92 dB (at 1 kHz, 1 mW)
Frequency Response 15 Hz to 35 kHz
Maximum Input Power 3000 mW
Cables Detachable 1/4" Stereo Phone 10' (3 m) and Stereo Mini 4' (1.2 m)
Dimensions 7.1 x 7.7" (18.0 x 19.5 cm)
Weight 0.70 lb (0.32 kg)