The RPmk3 Series T20RP-mk3 Stereo Headphones from Fostex is an open type headphone for deep bass. 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.
Driver: Regular Phase (Orthodynamic)
Impedance: 50 ohm
Sensitivity: 92 dB (at 1 kHz, 1 mW)
Frequency Response : 5 Hz to 35 kHz
Maximum Input Power: 3000 mW