S4X 1.3 Calibrated Studio Headphones | Tuned for Mixing and Mastering Stereo formats

Calibrated Studio reference class, open back, dynamic headphones with flat frequency response made in the EU
50 mm, PET 25u membrane, 2 layered coil, 32 ohms, Dynamic Neodymium speaker with 109dBSPL 1Vrms@1KHz 30ohm output that makes them work with smart devices too
1kHz @ 85dBSPL sweep THD < 0.084% , Variation in frequency response in band from 20Hz to 20kHz ~13,7dB SPL pink noise IEC 60318-1 compatible standard
Replacable earpads with outer diameter of 90 mm(3.5inch), inner diameter of 55mm(2.2inch) and depth of 20mm(0.8inch)
5 years limited warranty (Earpads and cable are excluded due to the nature of exposure), full serviceability with home tools

Calibrated Studio reference class, open back, dynamic headphones with flat frequency response and units specific calibration plugin, made in the EU.

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