The 4H is technical the same like the 5H. You just can't take it apart, that's the only difference.
SteelSound 4H at a glance;
* Lightweight gaming headset with XL-sized earcushions
* Developed in cooperation with professional gamers
* Retractable uni-directional microphone system
* Volume control, featuring 3 microphone settings
* Full-size earcups for maximum individual comfort
* Strong and deep resonating in-game sound projection
* 40mm SteelSound SunDancer(Sd) Units
Frequency response : 16 - 28.000 Hz
Impedance : 40 Ohm
SPL 1kHz, 1 Vrms : 110 dB
Cable length : 1.8 meters (6 feet)